CUMMINS ISL & ISC Fault Codes DTC

CUMMINS ISL & ISC Engine Codes 0-100

 

0001 Exhaust Gas Pressure Sensor Number 1 Circuit - Voltage Above Normal, or Shorted to High Source

 

0002 Exhaust Gas Pressure Sensor Number 1 Circuit - Voltage Below Normal, or Shorted to Low Source

 

0003 Exhaust Gas Pressure Sensor Number 1 Circuit - Data Erratic, Intermittent, or Incorrect

 

0004 Exhaust Gas Temperature Sensor Number 1 Circuit - Data Erratic, Intermittent, or Incorrect

 

0005 Exhaust Gas Temperature Sensor Number 1 Circuit - Voltage Below Normal, or Shorted to Low Source

 

0006 Exhaust Gas Temperature Sensor Number 1 Circuit - Voltage Above Normal, or Shorted to High Source

ISL & ISC Codes 100-200

 

111 Engine Control Module Critical Internal Failure - Bad Intelligent Device or Component

 

115 Engine Magnetic Crankshaft Speed/Position Lost Both of Two Signals - Data Erratic, Intermittent, or Incorrect

 

122 Intake Manifold Pressure Sensor Circuit - Voltage Above Normal or Shorted to High Source

 

123 Intake Manifold Pressure Sensor Circuit - Voltage Below Normal or Shorted to Low Source

 

124 Intake Manifold One Pressure - Data Valid but Above Normal Operational Range - Moderately Severe Level

 

131 Accelerator Pedal or Lever Position Sensor Circuit - Shorted High

 

132 Accelerator Pedal or Lever Position Sensor Circuit - Voltage Below Normal or Shorted to Low Source

 

133 Remote Accelerator Pedal or Lever Position Sensor 1 Circuit - Voltage Above Normal, or Shorted to High Source

 

134 Remote Accelerator Pedal or Lever Position Sensor 1 Circuit - Voltage Below Normal, or Shorted to Low Source

 

135 Oil Pressure Sensor Choice

 

135auto Oil Pressure Sensor Circuit — Voltage Above Normal or Shorted to High Source

 

135mar Oil Pressure Sensor Circuit — Voltage Above Normal or Shorted to High Source

 

141 Oil Pressure Sensor Circuit Choice

 

141auto Oil Pressure Sensor Circuit - Voltage Below Normal or Shorted to Low Source

 

141mar Oil Pressure Sensor Circuit - Voltage Below Normal or Shorted to Low Source

 

143 Oil Pressure Low Choice

 

143b Oil Pressure Low - Data Valid but Below Normal Operational Range - Moderately Severe Level

 

143bm Oil Pressure Low - Data Valid but Below Normal Operational Range - Moderately Severe Level

 

144 Coolant Temperature Sensor Circuit Choice

 

144b Engine Coolant Temperature 1 Sensor Circuit - Voltage Above Normal or Shorted to High Source

 

144bm Engine Coolant Temperature 1 Sensor Circuit - Voltage Above Normal or Shorted to High Source

 

145 Engine Coolant Temperature 1 Sensor Circuit Choice

 

145b Engine Coolant Temperature 1 Sensor Circuit - Voltage Below Normal or Shorted to Low Source

 

145bm Engine Coolant Temperature 1 Sensor Circuit - Voltage Below Normal or Shorted to Low Source

 

146 Engine Coolant Temperature Choice

 

146b Engine Coolant Temperature - Data Valid but Above Normal Operational Range - Moderately Severe Level

 

146bm Engine Coolant Temperature - Data Valid but Above Normal Operational Range - Moderately Severe Level

 

147 Accelerator Pedal or Lever Position 1 Sensor Circuit Frequency - Data Valid but Below Normal Operational Range - Most Severe Level

 

148 Accelerator Pedal or Lever Position Sensor One - Data Valid but Above Normal Operational Range - Most Severe level

 

151 Engine Coolant Temperature Choice

 

151b Engine Coolant Temperature - Data Valid but Above Normal Operational Range - Most Severe Level

 

151bm Engine Coolant Temperature - Data Valid but Above Normal Operational Range - Most Severe Level

 

153 Intake Manifold Air Temperature Sensor Circuit - Voltage Above Normal or Shorted to High Source

 

154 Intake Manifold Air Temperature Sensor Circuit - Voltage Below Normal or Shorted to Low Source

 

155 Intake Manifold 1 Temperature Choice

 

155b Intake Manifold 1 Temperature - Data Valid but Above Normal Operational Range - Most Severe Level

 

155bm Engine Coolant Temperature 1 Sensor Circuit — Voltage Above Normal or Shorted to High Source

 

187 Sensor Supply Voltage Number 2 Circuit Choice

 

187b Sensor Supply Voltage Number 2 Circuit - Voltage Below Normal or Shorted to Low Source

 

187bm Sensor Supply 2 Circuit - Voltage Below Normal, or Shorted to Low Source

 

195 Coolant Level Sensor 1 Circuit - Choice

 

195-2wire Coolant Level Sensor 1 Circuit - Voltage Above Normal or Shorted to High Source

 

195-3wire Coolant Level Sensor 1 Circuit - Voltage Above Normal or Shorted to High Source

 

196 Coolant Level Sensor 1 Circuit - Choice

 

196-2wire Coolant Level Sensor 1 Circuit - Voltage Below Normal or Shorted to Low Source

 

196-3wire Coolant Level Sensor 1 Circuit - Voltage Below Normal or Shorted to Low Source

 

197 Coolant Level Low - Data Valid but Below Normal Operational Range - Moderately Severe Level 

ISL & ISC Codes 200-300

 

221 Barometric Pressure Sensor Circuit - Voltage Above Normal or Shorted to High Source

 

222 Barometric Pressure Sensor Circuit - Voltage Below Normal or Shorted to Low Source

 

227 Sensor Supply Voltage Number 2 Circuit Choice

 

227b Sensor Supply Voltage Number 2 Circuit - Voltage Above Normal or Shorted to High Source

 

227bm Sensor Supply 2 Circuit - Voltage Above Normal or Shorted to High Source

 

234 Engine Crankshaft Speed/Position Choice

 

234b Engine Crankshaft Speed/Position — Data Valid but Above Normal Operational Range - Most Severe Level

 

234bm Engine Crankshaft Speed/Position — Data Valid but Above Normal Operational Range - Most Severe Level

 

235 Coolant Level Low - Data Valid but Below Normal Operational Range - Most Severe Level

 

237 External Speed Command Input (Multiple Unit Synchronization - Data Erratic, Intermittent, or Incorrect

 

238 Sensor Supply 3 Circuit - Voltage Below Normal, or Shorted to Low Source

 

241 Vehicle Speed Sensor Circuit - Data Erratic, Intermittent, or Incorrect

 

242 Vehicle Speed Sensor Circuit Tampering Has Been Detected - Abnormal Rate of Change

 

245 Fan Control Circuit - Voltage Below Normal or Shorted to Low Source

 

253 Engine Oil Level - Data Valid But Below Normal Operational Range - Most Severe Level

 

268 Injector Metering Rail 1 Pressure - Data Erratic, Intermittent, or Incorrect

 

269 Antitheft Password Valid Indicator - Data Erratic, Intermittent, or Incorrect

 

271 High Fuel Pressure Solenoid Valve Circuit Choice

 

271b High Fuel Pressure Solenoid Valve Circuit - Voltage Below Normal or Shorted to Low Source

 

271cl High Fuel Pressure Solenoid Valve Circuit - Voltage Below Normal or Shorted to Low Source

 

272 High Fuel Pressure Solenoid Valve Circuit Choice

 

272b High Fuel Pressure Solenoid Valve Circuit - Voltage Above Normal or Shorted to High Source

 

272cl High Fuel Pressure Solenoid Valve Circuit - Voltage Above Normal or Shorted to High Source

 

275 Fuel Pumping Element Number 1 (Front - Mechanical System Not Responding Properly or Out of Adjustment

 

281 Fault Pump Pressurizing Assembly 1 - Mechanical System Not Responding Properly or Out of Adjustment

 

284 Engine Speed/Position Sensor (Crankshaft Supply Voltage Circuit - Voltage Below Normal or Shorted to Low Source

 

285 SAE J1939 Multiplexing PGN Timeout Error - Abnormal Update Rate

 

286 SAE J1939 Multiplexing Configuration Error - Out of Calibration

 

287 SAE J1939 Multiplexing Accelerator Pedal or Lever Sensor System Error - Received Network Data Error

 

288 SAE J1939 Multiplexing Remote Accelerator Pedal or Lever Data Error - Received Network Data Error

 

291 Proprietary Datalink Error (OEM/Vehicle Datalink - Abnormal Update Rate

 

292 Auxiliary Temperature Sensor Input 1 - Special Instructions

 

293 Auxiliary Temperature Sensor Input 1 - Voltage Above Normal, or Shorted to High Source

 

294 Auxiliary Temperature Sensor Input 1 Circuit - Voltage Below Normal, or Shorted to Low Source

 

295 Barometric Pressure - Data Erratic, Intermittent, or Incorrect

 

296 Auxiliary Pressure Sensor Input 1 - Special Instructions

 

296a Auxiliary Pressure Sensor Input 1 - Special Instructions

 

296lrv Crankcase Pressure - Data Above Normal Operational Range - Severe Level

 

297 Auxiliary Pressure Sensor Input 1 Circuit - Voltage Above Normal, or Shorted to High Source

 

298 Auxiliary Pressure Sensor Input 1 Circuit - Voltage Below Normal, or Shorted to Low Source 

ISL & ISC Codes 300-400

 

319 Real Time Clock Power Interrupt - Data Erratic, Intermittent, or Incorrect

 

322 Injector Solenoid Driver Cylinder 1 Circuit - Current Below Normal, or Open Circuit

 

323 Injector Solenoid Driver Cylinder 5 Circuit - Current Below Normal, or Open Circuit

 

324 Injector Solenoid Driver Cylinder 3 Circuit - Current Below Normal, or Open Circuit

 

325 Injector Solenoid Driver Cylinder 6 Circuit - Current Below Normal, or Open Circuit

 

331 Injector Solenoid Cylinder Number 2 Circuit - Current Below Normal or Open Circuit

 

332 Injector Solenoid Cylinder Number 4 Circuit - Current Below Normal or Open Circuit

 

334 Engine Coolant Temperature - Data Erratic, Intermittent, or Incorrect

 

341 Engine Control Module Data Lost - Data Erratic, Intermittent, or Incorrect

 

342 Electronic Calibration Code Incompatibility - Out of Calibration

 

343 Engine Control Module Warning Internal Hardware Failure - Bad Intelligent Device or Component

 

351 Injector Power Supply — Bad Intelligent Device or Component

 

352 Sensor Supply Voltage Number 1 Circuit - Voltage Below Normal or Shorted to Low Source

 

386 Sensor Supply Voltage Number 1 Circuit - Voltage Above Normal or Shorted to High Source

 

387 Accelerator Pedal or Lever Position Sensor Supply Voltage Circuit - Voltage Above Normal or Shorted to High Source 

ISL & ISC Codes 400-500

 

412 SAE J1587/J1922 Data Link - Can Not Transmit

 

415 Engine Oil Rifle Pressure Choice

 

415sn Engine Oil Rifle Pressure - Data Valid but Below Normal Operational Range - Most Severe Level

 

415sw Engine Oil Rifle Pressure - Data Valid but Below Normal Operational Range - Most Severe Level

 

418 Water-In-Fuel Indicator - Data Valid but Above Normal Operational Range - Least Severe Level

 

426 SAE J1939 Data Link - Cannot Transmit

 

427 SAE J1939 Datalink - Abnormal Update Rate

 

428 Water-In-Fuel Sensor Circuit - Voltage Above Normal or Shorted to High Source

 

429 Water-In-Fuel Sensor Circuit - Voltage Below Normal or Shorted to Low Source

 

431 Idle Validation Switch Circuit Choice

 

431iss Accelerator Pedal or Lever Idle Validation Circuit - Data Erratic, Intermittent, or Incorrect

 

431niss Accelerator Pedal or Lever Idle Validation Circuit - Data Erratic, Intermittent, or Incorrect

 

431sss Accelerator Pedal or Lever Idle Validation Circuit - Data Erratic, Intermittent, or Incorrect

 

432 Accelerator Pedal or Lever Idle Validation Circuit - Out of Calibration

 

433 Intake Manifold Pressure Sensor Circuit - Data Incorrect

 

434 Power Supply Lost With Ignition On - Data Erratic, Intermittent or Incorrect

 

435 Oil Pressure Switch Sensor Circuit - Data Erratic, Intermittent or Incorrect

 

436 Intake Manifold 1 Temperature - Data Erratic, Intermittent, or Incorrect

 

441 Battery 1 Voltage - Data Valid but Below Normal Operational Range - Moderately Severe Level

 

442 Battery 1 Voltage - Data Valid but Below Normal Operational Range - Moderately Severe Level

 

443 Accelerator Pedal or Lever Position Sensor Supply Voltage Circuit — Voltage Below Normal or Shorted to Low Source

 

449 Fuel Pressure High Choice

 

449b Injector Metering Rail Number 1 Pressure - Data Valid But Above Normal Operating Range - Most Severe Level

 

449cl Injector Metering Rail Number 1 Pressure - Data Valid But Above Normal Operating Range - Most Severe Level

 

451 Injector Metering Rail Number 1 Pressure Sensor Circuit - Voltage Above Normal or Shorted to High Source

 

452 Injector Metering Rail Number 1 Pressure Sensor Circuit - Voltage Below Normal or Shorted to Low Source

 

471 Engine Oil Level - Data Valid But Below Normal Operational Range - Least Severe Level

 

488 Intake Manifold 1 Temperature - Data Valid but Above Normal Operational Range - Moderately Severe Level

 

497 Multiple Unit Synchronization Switch - Data Erratic, Intermittent, or Incorrect

 

498 Engine Oil Level Sensor Circuit - Voltage Above Normal, or Shorted to High Source

 

499 Engine Oil Level Sensor Circuit - Voltage Below Normal, or Shorted to Low Source 

ISL & ISC Codes 500-600

 

523 Auxiliary Intermediate (PTO Speed Switch Validation - Data Erratic, Intermittent, or Incorrect0

 

527 Auxiliary Input/Out Two Circuit Voltage Above Normal or Shorted to High Source

 

528 Auxiliary Alternate Torque Validation Switch - Data Erratic, Intermittent, or Incorrect

 

529 Auxiliary Input/Output Three Circuit - Voltage Above Normal, or Shorted to High Source

 

545 Turbocharger 1 Wastegate Control - Mechanical System Not Responding Properly or Out of Adjustment

 

551 Idle Validation Switch Circuit Choice

 

551iss Accelerator Pedal or Lever Idle Validation Circuit - Voltage Below Normal or Shorted to Low Source

 

551niss Accelerator Pedal or Lever Idle Validation Circuit - Voltage Below Normal or Shorted to Low Source

 

551sss Accelerator Pedal or Lever Idle Validation Circuit - Voltage Below Normal or Shorted to Low Source

 

553 Injector Metering Rail One Pressure - Data Valid but Above Normal Operational Range - Moderately Severe Level

 

554 Injector Metering Rail 1 Pressure - Data Erratic, Intermittent, or Incorrect

 

559 Fuel Pump Delivery Pressure Low Choice

 

559b Fuel Pump Delivery Pressure Low - Data Valid but Below Normal Operational Range - Moderately Severe Level

 

559cl Injector Metering Rail 1 Pressure - Data Valid but Below Normal Operational Range - Moderately Severe Level

 

584 Starter Relay Circuit - Voltage Above Normal or Shorted to High Source

 

585 Starter Relay Circuit - Voltage Below Normal or Shorted to Low Source

 

595 Turbocharger Number 1 Speed High Choice

 

595b Turbocharger Number 1 Speed High - Warning Level

 

595cl Turbocharger Number 1 Speed High - Data Valid but Above Normal Operational Range - Moderately Severe Level

 

596 Electrical Charging System Voltage High - Data Valid but Above Normal Operational Range - Moderately Severe Level

 

597 Electrical Charging System Voltage Low - Data Valid but Below Normal Operational Range - Moderately Severe Level

 

598 Electrical Charging System Voltage Low - Data Valid but Below Normal Operational Range - Most Severe Level

 

599 Auxiliary Commanded Dual Output Shutdown - Special Instructions 

 

ISL & ISC Codes 600-700

 

649 Change Lubricating Oil and Filter - Condition Exists

 

687 Turbocharger Speed Sensor Choice

 

687b Turbocharger Speed Sensor - Below Normal Operating Range

 

687cl Turbocharger Number 1 Speed Low - Data Valid but Below Normal Operating Range - Moderately Severe Level

 

688 Engine Oil Level - Data Valid But Above Normal Operational Range - Most Severe Level

 

689 Engine Crankshaft Speed/Position - Data Erratic, Intermittent, or Incorrect

 

691 Turbocharger Number 1 Compressor Inlet Temperature Sensor Circuit - Voltage Above Normal or Shorted to High Source

 

692 Turbocharger Number 1 Compressor Inlet Temperature Sensor Circuit - Voltage Below Normal or Shorted to Low Source 

 

ISL & ISC Codes 700-900

731 Engine Speed/Position Sensors Choice

 

731b Engine Speed Sensor/Position Camshaft and Crankshaft Misalignment - Mechanical System Not Responding Properly or Out of Adjustment

 

731bm Engine Speed Sensor/Position Camshaft and Crankshaft Misalignment - Mechanical System Not Responding Properly or Out of Adjustment

 

757 Electronic Control Module Data Lost - Condition Exists

 

778 Engine Speed Sensor (Camshaft Error - Data Erratic, Intermittent or Incorrect

 

779 Auxiliary Equipment Sensor Input Number 3 (OEM Switch - Root Cause Not Known)

 

784 Adaptive Cruise Control - Error 

 

951 Cylinder Power Imbalance Detected

 

957 EGR Valve Position - Data Erratic, Intermittent, or Incorrect

 

958 VGT Position Sensor - Data Erratic, Intermittent, or Incorrect

 

1117 Power Lost Without Ignition Off Choice

 

1117auto Power Lost Without Ignition Off - Data Erratic, Intermittent or Incorrect

 

1117mar Power Lost Without Ignition Off - Data Erratic, Intermittent or Incorrect

 

1139 Injector Solenoid Driver Cylinder 1 - Mechanical System Not Responding Properly or Out of Adjustment

 

1141 Injector Solenoid Driver Cylinder 2 - Mechanical System Not Responding Properly or Out of Adjustment

 

1142 Injector Solenoid Driver Cylinder 3 - Mechanical System Not Responding Properly or Out of Adjustment

 

1143 Injector Solenoid Driver Cylinder 4 - Mechanical System Not Responding Properly or Out of Adjustment

 

1144 Injector Solenoid Driver Cylinder 5 - Mechanical System Not Responding Properly or Out of Adjustment

 

1145 Injector Solenoid Driver Cylinder 6 - Mechanical System Not Responding Properly or Out of Adjustment 

 

ISL & ISC Codes 1200-1600

 

1228 EGR Valve Position - Data Erratic, Intermittent, or Incorrect

 

1229 VGT Position Sensor - Data Erratic, Intermittent, or Incorrect

 

1239 Accelerator Pedal or Lever Position Sensor 2 Circuit - Voltage Above Normal or Shorted to High Source

 

1241 Accelerator Pedal or Lever Position Sensor 2 Circuit - Voltage Below Normal or Shorted to Low Source

 

1242 Accelerator Pedal or Lever Position Sensor 1 and 2 - Data Erratic, Intermittent, or Incorrect 

 

ISL & ISC Codes 1600-1700

 

1633 Komnet Datalink Cannot Transmit - Data Erratic, Intermittent, or Incorrect

 

1639 Auxiliary Equipment Sensor Input Number 3 (OEM Switch - Root Cause Not Known

 

1654 Engine Misfire Cylinder 1 - Condition Exists

 

1655 Engine Misfire Cylinder 2 - Condition Exists

 

1656 Engine Misfire Cylinder 3 - Condition Exists

 

1657 Engine Misfire Cylinder 4 - Condition Exists

 

1658 Engine Misfire Cylinder 5 - Condition Exists

 

1659 Engine Misfire Cylinder 6 - Condition Exists

 

1663 Catalyst Inlet Temperature Sensor Swapped with Outlet - Condition Exists

 

1664 Catalyst Missing - Condition Exists

 

1665 Exhaust Gas Temperature 1 Circuit - Voltage Below Normal, or Shorted to Low Source

 

1666 Exhaust Gas Temperature Circuit 1 - Voltage Above Normal, or Shorted to Low Source

 

1667 Exhaust Gas Temperature 1 - Data Erratic, Intermittent, or Incorrect

 

1668 Catalyst Tank Level Sensor Circuit - Voltage Below Normal, or Shorted to Low Source

 

1669 Catalyst Tank Level Sensor Circuit - Voltage Above Normal, or Shorted to High Source

 

1671 Catalyst Tank Level - Data Valid but Below Normal Operational Range - Moderately Severe Level.

 

1673 Catalyst Tank Level - Data Erratic, Intermittent, or Incorrect

 

1674 Exhaust Gas Temperature 2 Circuit - Voltage Below Normal, or Shorted to Low Source

 

1675 Exhaust Gas Temperature 2 Circuit - Voltage Above Normal, or Shorted to Low Source

 

1676 Exhaust Gas Temperature 2 - Data Erratic, Intermittent, or Incorrect

 

1677 Catalyst Tank Temperature - Voltage Below Normal, or Shorted to Low Source

 

1678 Catalyst Tank Temperature - Voltage Above Normal, or Shorted to High Source

 

1679 Catalyst Tank Temperature - Data Erratic, Intermittent, or Incorrect

 

1681 Dosing Control Unit - Bad Intelligent Device or Component

 

1682 Catalyst Reagent Dosing Unit Input Lines - Condition Exists

 

1683 Catalyst Tank Heater Circuit - Voltage Above Normal, or Shorted to High Source

 

1684 Catalyst Tank Heater Circuit - Voltage Above Normal, or Shorted to High Source

 

1687 Catalyst Over Temperature - Data Valid but Above Normal Operational Range - Most Severe Level

 

1689 Real-Time Clock Power Interrupt - Data Erratic, Intermittent or Incorrect

 

1692 Aftertreatment Outlet NOx Sensor - Voltage Below Normal or Shorted to Low Source

 

1694 Aftertreatment Outlet NOx Sensor - Data Erratic, Intermittent, or Incorrect

 

1697 Aftertreatment #1 Air Enable Actuator - Voltage Above Normal, or Shorted to High Source

 

1698 Aftertreatment #1 Air Enable Actuator - Voltage Below Normal, or Shorted to Low Source

 

1699 Catalyst Tank Level Sensor - Data Erratic, Intermittent, or Incorrect 

 

ISL & ISC Codes 1700-1800

 

1711 Dosing Control Unit Datalink - Abnormal Update Rate

 

1712 Catalyst Tank Heater Circuit - Data Valid But Below Normal Operating Range - Moderately Severe Level

 

1713 Catalyst Tank Heater Circuit - Data Valid But Above Normal Operating Range - Moderately Severe Level

 

1716 Auxiliary Temperature Sensor Input 1 Circuit - Root Cause Not Known

 

1717 Exhaust Gas Temperature 1 - Data Valid but Above Normal Operational Range - Least Severe Level

 

1718 Engine Misfire for Multiple Cylinders - Condition Exists 

 

ISL & ISC Codes 1800-2000

 

1848 Intake Manifold 1 Temperature - Abnormal Rate of Change

 

1849 Exhaust Gas Temperature 1 - Abnormal Rate of Change

 

1851 Exhaust Gas Temperature 2 - Abnormal Rate of Change

 

1892 Wheel-Based Vehicle Speed - Data Valid but Below Normal Operational Range - Moderately Severe Level

 

1911 Injector Metering Rail 1 Pressure - Data Valid but Above Normal Operational Range - Most Severe Level 

 

ISL & ISC Codes 2000-2200 2183 Engine Brake Actuator Driver 1 Circuit - Voltage Below Normal, or Shorted to Low Source

 

2185 Sensor Supply Voltage 4 Circuit - Voltage Above Normal or Shorted to High Source

 

2186 Sensor Supply Voltage 4 Circuit - Voltage Below Normal or Shorted to Low Source 

 

ISL & ISC Codes 2200-2300

 

2215 Fuel Pump Delivery Pressure Low Choice

 

2215b Fuel Pump Delivery Pressure Low - Data Valid but Below Normal Operational Range - Moderately Severe Level

 

2215cl Fuel Pump Delivery Pressure Low - Data Valid but Below Normal Operational Range - Moderately Severe Level

 

2216 Fuel Pump Delivery Pressure High Choice

 

2216b Fuel Pump Delivery Pressure High - Data Valid but Above Normal Operational Range - Moderately Severe Level

 

2216cl Fuel Pump Delivery Pressure High - Data Valid but Above Normal Operational Range - Moderately Severe Level

 

2217 Engine Control Module Calibration Program Memory (RAM Corruption - Condition Exists

 

2249 Injector Metering Rail 1 Pressure - Data Valid but Below Normal Operational Range - Most Severe Level

 

2265 Electric Lift Pump for Engine Fuel Supply Circuit - Voltage Above Normal or Shorted to High Source

 

2266 Electric Lift Pump for Engine Fuel Supply Circuit - Voltage Below Normal or Shorted to Low Source

 

2271 EGR Valve Position Sensor Circuit - Voltage Above Normal or shorted to High Source

 

2272 EGR Valve Position Sensor Circuit - Voltage Below normal or Shorted to Low Source

 

2273 EGR Valve Differential Pressure Sensor Circuit - Shorted High

 

2274 EGR Valve Differential Pressure Sensor Circuit - Shorted Low

 

2292 Fuel Inlet Meter Device - Data Valid but Above Normal Operational Range - Moderately Severe Level

 

2293 Fuel Inlet Meter Device Flow Demand Lower Than Expected - Data Valid but Below Normal Operational Range - Moderately Severe Level 

 

ISL & ISC Codes 2300-2500

 

2311 Fueling Actuator Number 1 Circuit Error Conditions Exists

 

2321 Engine Crankshaft Speed/Position - Data Erratic, Intermittent, or Incorrect

 

2322 Backup Engine Speed/Position Sensor Number 2 - Data Erratic, Intermittent, or Incorrect

 

2345 Turbocharger Speed Choice

 

2345b Turbocharger Speed - Invalid Rate of Change Detected

 

2345cl Turbocharger Speed Invalid Rate of Change detected - Abnormal Rate of Change

 

2346 Exhaust Gas Temperature Choice

 

2346b Exhaust Gas Temperature - Data Above Normal

 

2346cl Turbocharger Turbine Inlet Temperature (Calculated - Data Valid but Above Normal Operational Range - Least Severe Level

 

2347 Turbocharger Compressor Outlet Temperature Choice

 

2347b Turbocharger Compressor Outlet Temperature - Data Above Normal

 

2347cl Turbocharger Compressor Outlet Air Temperature (Calculated - Data Valid but Above Normal Range

 

2348 EGR Valve Failed Automatic Calibration Procedure

 

2349 EGR Valve Control Circuit - Current Below Normal or Open Circuit

 

2351 EGR Valve Control Circuit - Voltage Below Normal or Shorted to Low Source

 

2352 EGR Valve Control Circuit - Voltage Above Normal or Shorted to High Source

 

2353 EGR Valve Control Circuit - Current Above Normal or Grounded Circuit

 

2357 EGR Valve Control - Mechanical System Not Responding Properly or Out of Adjustment

 

2359 EGR Differential Pressure Sensor - Data Valid But Above Normal Operating Range - Moderately Severe Level

 

2362 Engine Brake Actuator Circuit Number 1 - Voltage Below Normal or Shorted to Low Source

 

2363 Engine Brake Actuator Circuit Number 2 - Voltage Below Normal or Shorted to Low Source

 

2366 Engine Brake Actuator Circuit Number 1 - Voltage Above Normal or Shorted to High Source

 

2367 Engine Brake Actuator Circuit Number 2 - Voltage Above Normal or Shorted to High Source

 

2373 Exhaust Gas Pressure Sensor Circuit - Shorted High

 

2374 Exhaust Gas Pressure Sensor Circuit - Shorted Low

 

2375 Exhaust Gas Recirculation (EGR Temperature Sensor Circuit - Voltage Above Normal or Shorted to High Source

 

2376 Recirculation Exhaust Gas Temperature Sensor Circuit - Voltage Below Normal or Shorted to Low Source

 

2377 Fan Control Circuit - Voltage Above Normal or Shorted to High Source

 

2381 Turbocharger Position Sensor Circuit - Shorted High

 

2382 Turbocharger Position Sensor Circuit - Shorted Low

 

2383 Variable Geometry Turbocharger Actuator Circuit - Current Below Normal, or Open Circuit

 

2384 VGT Actuator Choice

 

2384b VGT Actuator - Voltage Below Normal or Shorted to Low Source

 

2384cl VGT Actuator Driver Circuit - Voltage Below Normal, or Shorted to Low Source

 

2385 VGT Actuator Choice

 

2385b VGT Actuator - Voltage Above Normal or Shorted to High Source

 

2385cl VGT Actuator Driver Circuit - Voltage Above Normal, or Shorted to High Source

 

2386 Turbocharger Actuator Motor Circuit - Current Above Normal

 

2387 Turbocharger Actuator Motor - Mechanical System Not Responding Properly

 

2388 Variable Geometry Turbocharger Actuator Position Failed Automatic Calibration Procedure - Out of Calibration 

 

ISL & ISC Codes 2500-2800

 

2554 Exhaust Pressure Sensor Circuit - Data Erratic, Intermittent, or Incorrect

 

2555 Intake Air Heater Number 1 Circuit - Voltage Above Normal or Shorted to High Source

 

2556 Intake Air Heater Number 1 Circuit - Voltage Below Normal or Shorted to Low Source

 

2557 Auxiliary PWM Driver Number 1 - Voltage Above Normal or Shorted to High Source

 

2558 Auxiliary PWM Driver Number 1 - Voltage Below Normal or Shorted to Low Source

 

2659 Engine Coolant Temperature - Condition Exists

 

2771 Aftertreatment Outlet NOx Sensor - Abnormal Update Rate

 

2772 Aftertreatment Outlet NOx - Data Valid but Above Normal Operational Range - Least Severe Level

 

2773 Aftertreatment Outlet NOx - Data Valid but Above Normal Operational Range - Most Severe Level 

 

ISL & ISC Codes 2800-3000

 

2961 EGR Temperature - Data Valid But Above Normal Operating Range, Least Severe Level

 

2962 EGR Temperature - Data Valid But Above Normal Operating Range, Moderately Severe Level

 

2963 Engine Coolant Temperature High - Data Valid but Above Normal Operational Range - Least Severe Level

 

2964 Intake Manifold Temperature High - Data Valid but Above Normal Operational Range - Least Severe Level

 

2973 Intake Manifold Pressure Sensor Circuit - Data Erratic, Intermittent or Incorrect

 

2976 Dosing Control Unit Temperature - Data Erratic, Intermittent, or Incorrect 

 

ISL & ISC Codes 9000-9122

9121 EGR Valve Actuator Over Temperature (Calculated - Data Above Normal Range

 

9122 Variable Geometry Turbocharger Actuator Over Temperature