Case IH fault codes & repair guides
All 9,847 codes· 50 per page · page 162 of 197
| Code | Controller | Issue summary | Repair manual |
|---|---|---|---|
| 523390 - 31 - CSM | CSM (Cab Suspension Module) | Cab suspension controller - cab suspension controller communication error | Full repair manual for code 523390 - 31 - CSM, CSM (Cab Suspension Module) |
| 523391 - 02 - CSM | CSM | Cab suspension controller memory error | Full repair manual for code 523391 - 02 - CSM, CSM |
| 523392 - 02 - CSM | CSM | Cab suspension controller memory error | Full repair manual for code 523392 - 02 - CSM, CSM |
| 523400 - 02 - CSM | CSM (Cab Suspension Module) | Cab suspension controller memory error | Full repair manual for code 523400 - 02 - CSM, CSM (Cab Suspension Module) |
| 523405 - 02 - CSM | CSM | Cab suspension controller memory error | Full repair manual for code 523405 - 02 - CSM, CSM |
| 523450 - 02 - CSM | Cab Suspension Module (CSM) | Vehicle controller - cab suspension communication fault with vehicle controller | Full repair manual for code 523450 - 02 - CSM, Cab Suspension Module (CSM) |
| 523450 - 08 - CSM | Cab Suspension Module (CSM) and Vehicle Controller | Vehicle controller - cab suspension communication fault with vehicle controller | Full repair manual for code 523450 - 08 - CSM, Cab Suspension Module (CSM) and Vehicle Controller |
| 523450 - 09 - CSM | CSM | Vehicle controller - cab suspension communication fault with vehicle controller | Full repair manual for code 523450 - 09 - CSM, CSM |
| 523455 - 02 - CSM | CSM | CSM CAN Bus Communication Failure | Full repair manual for code 523455 - 02 - CSM, CSM |
| 523455 - 09 - CSM | CSM (Cab Suspension Module) | Abnormal Update Rate / Loss of Communication on CAN bus with Cab Suspension Module (CSM) | Full repair manual for code 523455 - 09 - CSM, CSM (Cab Suspension Module) |
| 523455 - 31 - CSM | Transmission Control Unit (TCU) / Cab Suspension Module (CSM) | Message ZFSL1 invalid or timed out | Full repair manual for code 523455 - 31 - CSM, Transmission Control Unit (TCU) / Cab Suspension Module (CSM) |
| 523530 - 03 - CSM | CSM | Cab Suspension Spool Valve Current Low | Full repair manual for code 523530 - 03 - CSM, CSM |
| 523530 - 05 - CSM | CSM | Cab suspension spool valve - Current Below Normal or Open Circuit | Full repair manual for code 523530 - 05 - CSM, CSM |
| 523535 - 02 - CSM | CSM | Cab suspension control valve - cab suspension control valve controller error | Full repair manual for code 523535 - 02 - CSM, CSM |
| 523535 - 03 - CSM | CSM | Current low condition on the cab suspension control valve circuit | Full repair manual for code 523535 - 03 - CSM, CSM |
| 523535 - 04 - CSM | CSM | CSM: Cab suspension control valve - cab suspension control valve current low | Full repair manual for code 523535 - 04 - CSM, CSM |
| 523535 - 06 - CSM | CSM | Cab suspension control valve - cab suspension control valve current high | Full repair manual for code 523535 - 06 - CSM, CSM |
| 523601 - 02 - CSM | CSM (Cab Suspension Module) / VCU | Cab suspension control valve controller error | Full repair manual for code 523601 - 02 - CSM, CSM (Cab Suspension Module) / VCU |
| 523603 - 02 - CSM | CSM | Cab suspension control valve controller error | Full repair manual for code 523603 - 02 - CSM, CSM |
| 523785-00 - ICM | ICM | Display failure - TFT_LCD (display temperature too high) | Full repair manual for code 523785-00 - ICM, ICM |
| 524032-23 - ITBV | ITBV (Intelligent Trailer Brake Valve) Controller | Trailer brake controller internal fault | Full repair manual for code 524032-23 - ITBV, ITBV (Intelligent Trailer Brake Valve) Controller |
| 524033-14 - ITBV | Trailer Brake Control (iTBV) | Service tool - service request in progress | Full repair manual for code 524033-14 - ITBV, Trailer Brake Control (iTBV) |
| 524034-31 - ITBV | ITBV | Trailer Brake Controller Internal Fault | Full repair manual for code 524034-31 - ITBV, ITBV |
| 524035-31 - ITBV | ITBV (Intelligent Trailer Brake Valve) / Trailer Brake Control Module | Trailer brake controller internal fault | Full repair manual for code 524035-31 - ITBV, ITBV (Intelligent Trailer Brake Valve) / Trailer Brake Control Module |
| 524155-03 - ZTC | TCU | CR - Proportional Solenoid Valve for Reverse Clutch, Voltage Too High | Full repair manual for code 524155-03 - ZTC, TCU |
| 524240-31 - ITBV | ITBV (Intelligent Trailer Brake Valve) controller | Internal failure of the trailer brake controller | Full repair manual for code 524240-31 - ITBV, ITBV (Intelligent Trailer Brake Valve) controller |
| 524241-31 - ITBV | Trailer Brake Control (iTBV) | Internal Fault within the Trailer Brake Controller | Full repair manual for code 524241-31 - ITBV, Trailer Brake Control (iTBV) |
| 524242-31 - ITBV | ITBV | Trailer brake controller internal fault | Full repair manual for code 524242-31 - ITBV, ITBV |
| 524243-31 - ITBV | ITBV (Intelligent Trailer Brake Valve) Controller / ECU | Trailer Brake Controller Internal Fault | Full repair manual for code 524243-31 - ITBV, ITBV (Intelligent Trailer Brake Valve) Controller / ECU |
| 524244-31 - ITBV | ITBV (Intelligent Trailer Brake Valve) Electronic Control Unit (ECU) | ITBV Trailer brake controller internal fault | Full repair manual for code 524244-31 - ITBV, ITBV (Intelligent Trailer Brake Valve) Electronic Control Unit (ECU) |
| 524245-31 - ITBV | ITBV | Trailer Brake Controller Internal Fault | Full repair manual for code 524245-31 - ITBV, ITBV |
| 524246-31 - ITBV | ITBV (Intelligent Trailer Brake Valve) | Trailer Brake Controller Internal Fault | Full repair manual for code 524246-31 - ITBV, ITBV (Intelligent Trailer Brake Valve) |
| 524256-31 - ITBV | ITBV | Trailer Brake Controller Internal Fault | Full repair manual for code 524256-31 - ITBV, ITBV |
| 524257-31 - ITBV | ITBV (Intelligent Trailer Brake Valve) | Trailer brake controller internal fault | Full repair manual for code 524257-31 - ITBV, ITBV (Intelligent Trailer Brake Valve) |
| 524258-31 - ITBV | ITBV (Intelligent Trailer Brake Valve) | Internal Fault within the Trailer Brake Controller | Full repair manual for code 524258-31 - ITBV, ITBV (Intelligent Trailer Brake Valve) |
| 524259-31 - ITBV | Trailer Brake Control module (ITBV) | Trailer Brake Controller Internal Fault | Full repair manual for code 524259-31 - ITBV, Trailer Brake Control module (ITBV) |
| 524260-31 - ITBV | ITBV (Intelligent Trailer Brake Valve) ECU | Internal Fault within the Intelligent Trailer Brake Valve (ITBV) controller | Full repair manual for code 524260-31 - ITBV, ITBV (Intelligent Trailer Brake Valve) ECU |
| 524261-31 - ITBV | ITBV (Intelligent Trailer Brake Valve) ECU | Trailer brake controller internal fault. | Full repair manual for code 524261-31 - ITBV, ITBV (Intelligent Trailer Brake Valve) ECU |
| 524262-31 - ITBV | ITBV (Intelligent Trailer Brake Valve) | Trailer Brake Controller Internal Fault | Full repair manual for code 524262-31 - ITBV, ITBV (Intelligent Trailer Brake Valve) |
| 524263-31 - ITBV | ITBV (Intelligent Trailer Brake Valve) Controller / ECU | Trailer Brake Controller Internal Fault | Full repair manual for code 524263-31 - ITBV, ITBV (Intelligent Trailer Brake Valve) Controller / ECU |
| 524264-31 - ITBV | ITBV | Internal fault within the Trailer Brake Controller (EEPROM checksum failure) | Full repair manual for code 524264-31 - ITBV, ITBV |
| 524265-31 - ITBV | ITBV (Intelligent Trailer Brake Valve) | Trailer Brake Controller Internal Fault | Full repair manual for code 524265-31 - ITBV, ITBV (Intelligent Trailer Brake Valve) |
| 524266-31 - ITBV | ITBV Controller / Engine ECU / VSM | Trailer Brake Controller Internal Fault / Electronic Throttle Motor - Short Circuit | Full repair manual for code 524266-31 - ITBV, ITBV Controller / Engine ECU / VSM |
| 524267-31 - ITBV | ITBV (Intelligent Trailer Brake Valve) | Trailer brake controller internal fault | Full repair manual for code 524267-31 - ITBV, ITBV (Intelligent Trailer Brake Valve) |
| 524268-31 - ITBV | Trailer Brake Control (iTBV) module | ITBV: Trailer brake controller internal fault | Full repair manual for code 524268-31 - ITBV, Trailer Brake Control (iTBV) module |
| 524269-31 - ITBV | Trailer Brake Control (iTBV) module | ITBV: Trailer Brake Controller Internal Fault | Full repair manual for code 524269-31 - ITBV, Trailer Brake Control (iTBV) module |
| 524270-31 - ITBV | ITBV (Intelligent Trailer Brake Valve) / Trailer Brake Control Module | Trailer brake controller internal fault (EEPROM - NVMem Checksum failure (Part 1)) | Full repair manual for code 524270-31 - ITBV, ITBV (Intelligent Trailer Brake Valve) / Trailer Brake Control Module |
| 524271-31 - ITBV | ITBV (Intelligent Trailer Brake Valve) | EEPROM - NVMem Checksum failure (Part 2) - condition exists | Full repair manual for code 524271-31 - ITBV, ITBV (Intelligent Trailer Brake Valve) |
| 524272-31 - ITBV | iTBV | Trailer brake controller internal fault | Full repair manual for code 524272-31 - ITBV, iTBV |
| 524273-31 - ITBV | ITBV | Trailer Brake Controller Internal Fault | Full repair manual for code 524273-31 - ITBV, ITBV |
