DSM Diagnostic Trouble Code (DTC) Index
| DTC | Description | Source | Action |
|---|---|---|---|
| B1342 | ECU Is Faulted | DSM | INSTALL a new DSM. REFER to MODULE COMMUNICATIONS NETWORK . |
| B1530 | Memory Set Switch Circuit Short to Ground | DSM | Go To PINPOINT TEST G . |
| B1534 | Memory 1 Switch Circuit Short to Ground | DSM | Go To PINPOINT TEST G . |
| B1538 | Memory 2 Switch Circuit Short to Ground | DSM | Go To PINPOINT TEST G . |
| B1663 | Seat Driver Front Up/Down Motor Stalled | DSM | If the motor does not operate, Go To PINPOINT TEST F . If motor operates, Go To PINPOINT TEST G . |
| B1664 | Seat Driver Rear Up/Down Motor Stalled | DSM | If the motor does not operate, Go To PINPOINT TEST F . If motor operates, Go To PINPOINT TEST G . |
| B1665 | Seat Driver Forward/Backward Motor Stalled | DSM | If the motor does not operate, Go To PINPOINT TEST F . If motor operates, Go To PINPOINT TEST G . |
| B1667 | Mirror Driver Up/Down Motor Stalled | DSM | REFER to BODY SYSTEM - EXTERIOR . |
| B1668 | Mirror Driver Right/Left Motor Stalled | DSM | REFER to BODY SYSTEM - EXTERIOR . |
| B1669 | Mirror Passenger Up/Down Motor Stalled | DSM | REFER to BODY SYSTEM - EXTERIOR . |
| B1670 | Mirror Passenger Right/Left Motor Stalled | DSM | REFER to BODY SYSTEM - EXTERIOR . |
| B1676 | Battery Voltage Out of Range | DSM | REFER to BATTERY & CHARGING SYSTEM . |
| B1711 | Seat Driver Front Up Switch Circuit Short to Battery | DSM | Go To PINPOINT TEST F . |
| B1715 | Seat Driver Front Down Switch Circuit Short to Battery | DSM | Go To PINPOINT TEST F . |
| B1719 | Seat Driver Forward Switch Circuit Short to Battery | DSM | Go To PINPOINT TEST F . |
| B1723 | Seat Driver Rearward Switch Circuit Short to Battery | DSM | Go To PINPOINT TEST F . |
| B1727 | Seat Driver Rear Up Switch Circuit Short to Battery | DSM | Go To PINPOINT TEST F . |
| B1731 | Seat Driver Rear Down Switch Circuit Short to Battery | DSM | Go To PINPOINT TEST F . |
| B1735 | Mirror Driver Vertical Switch Circuit Short to Battery | DSM | REFER to BODY SYSTEM - EXTERIOR . |
| B1739 | Mirror Driver Horizontal Switch Circuit Short to Battery | DSM | REFER to BODY SYSTEM - EXTERIOR . |
| B1743 | Mirror Passenger Vertical Switch Circuit Short to Battery | DSM | REFER to BODY SYSTEM - EXTERIOR . |
| B1747 | Mirror Passenger Horizontal Switch Circuit Short to Battery | DSM | REFER to BODY SYSTEM - EXTERIOR . |
| B1950 | Seat Rear Up/Down Feedback Potentiometer Circuit Failure | DSM | Go To PINPOINT TEST G . |
| B1952 | Seat Rear Up/Down Feedback Potentiometer Circuit Short to Battery | DSM | Go To PINPOINT TEST G . |
| B1954 | Seat Front Up/Down Feedback Potentiometer Circuit Failure | DSM | Go To PINPOINT TEST G . |
| B1956 | Seat Front Up/Down Feedback Potentiometer Circuit Short to Battery | DSM | Go To PINPOINT TEST G . |
| B1962 | Seat Horizontal Forward/Rearward Feedback Potentiometer Circuit Failure | DSM | Go To PINPOINT TEST G . |
| B1964 | Seat Horizontal Forward/Rearward Feedback Potentiometer Circuit Short to Battery | DSM | Go To PINPOINT TEST G . |
| B1987 | Pedal Forward/Rearward Motor Stalled | DSM | REFER to BRAKE SYSTEM . |
| B1988 | Pedal Position Forward Switch Circuit Short to Battery | DSM | REFER to BRAKE SYSTEM . |
| B1989 | Pedal Position Rearward Switch Circuit Short to Battery | DSM | REFER to BRAKE SYSTEM . |
| B1990 | Pedal Forward/Rearward Feedback Potentiometer Circuit Failure | DSM | REFER to BRAKE SYSTEM . |
| B1991 | Pedal Forward/Rearward Feedback Potentiometer Circuit Short to Battery | DSM | REFER to BRAKE SYSTEM . |
| B2312 | Mirror Passenger Horizontal Feedback Potentiometer Circuit Failure | DSM | REFER to BODY SYSTEM - EXTERIOR . |
| B2314 | Mirror Passenger Horizontal Feedback Potentiometer Short to Battery | DSM | REFER to BODY SYSTEM - EXTERIOR . |
| B2316 | Mirror Passenger Vertical Feedback Potentiometer Circuit Failure | DSM | REFER to BODY SYSTEM - EXTERIOR . |
| B2318 | Mirror Passenger Vertical Feedback Potentiometer Short to Battery | DSM | REFER to BODY SYSTEM - EXTERIOR . |
| B2320 | Mirror Driver Horizontal Feedback Potentiometer Circuit Failure | DSM | REFER to BODY SYSTEM - EXTERIOR . |
| B2322 | Mirror Driver Horizontal Feedback Potentiometer Short to Battery | DSM | REFER to BODY SYSTEM - EXTERIOR . |
| B2324 | Mirror Driver Vertical Feedback Potentiometer Circuit Failure | DSM | REFER to BODY SYSTEM - EXTERIOR . |
| B2326 | Mirror Driver Vertical Feedback Potentiometer Short to Battery | DSM | REFER to BODY SYSTEM - EXTERIOR . |
| B2477 | Module Configuration Failure | DSM | INSTALL a new DSM. |
DSM DIAGNOSTIC TROUBLE CODE (DTC) INDEX
Climate Controlled Seat Module (CCSM) Diagnostic Trouble Code (DTC) Index
| DTC | Description | Source | Action |
|---|---|---|---|
| B1342 | ECU Is Faulted | CCSM | INSTALL a new CCSM and CARRY OUT programmable module installation (PMI). REFER to FRONT SEAT CUSHION . |
| B1358 | Ignition Switch or Blower Electronics Circuit Short to Ground | CCSM | For driver CCSM, Go To PINPOINT TEST J . For passenger CCSM, Go To PINPOINT TEST K . |
| B2477 | Module Configuration Error | CCSM | This DTC indicates programmable module installation (PMI) has not been done to a newly installed module. CARRY OUT PMI. REFER to MODULE COMMUNICATIONS NETWORK . CLEAR the DTC. CARRY OUT the self-test. |
| B2486 | Climate Controlled Seat Module Voltage Out of Range | CCSM | DEPOWER the supplemental restraint system (SRS). REFER to AIR BAG RESTRAINT SYSTEMS . DISCONNECT driver seat C327 or passenger seat C315 of the affected seat and CONNECT restraint system diagnostic tool 501-095 to the affected seat connector. CONNECT the battery ground cable. CHECK circuit 294 (WH/LB) for a fault and REPAIR as needed. If OK, REFER to BATTERY & CHARGING SYSTEM . Once the repair is complete, DISCONNECT the restraint system diagnostic tool from the seat connector and CONNECT the seat connector of the affected seat. REPOWER the SRS. REFER to AIR BAG RESTRAINT SYSTEMS . |
| B2488 | Thumb-Wheel Switch Voltage Out of Range High | CCSM | For driver CCSM, Go To PINPOINT TEST J . For passenger CCSM, Go To PINPOINT TEST K . |
| B2521 | Tach Circuit Failure | CCSM | For driver CCSM, Go To PINPOINT TEST J . For passenger CCSM, Go To PINPOINT TEST K . |
| B2729 | Cushion Over-Temp Detected | CCSM | For driver CCSM, Go To PINPOINT TEST J . For passenger CCSM, Go To PINPOINT TEST K . |
| B2730 | Back Over-Temp Detected | CCSM | For driver CCSM, Go To PINPOINT TEST J . For passenger CCSM, Go To PINPOINT TEST K . |
| B2731 | Differential Temperature Fault | CCSM | For driver CCSM, Go To PINPOINT TEST J . For passenger CCSM, Go To PINPOINT TEST K . |
| B2792 | Heat Switch Short to Ground | CCSM | NOTE: If HEAT is pressed for greater than 20 seconds on the climate controlled seat switch, DTC B2792 will set in the CCSM. CLEAR the DTC. If the DTC does not clear, DEPOWER the supplemental restraint system (SRS). REFER to AIR BAG RESTRAINT SYSTEMS . DISCONNECT driver seat C327 or passenger seat C315 of the affected seat and CONNECT restraint system diagnostic tool 501-095 to the affected seat connector. CONNECT the battery ground cable. CHECK circuit 1551 (VT/WH) for a fault and REPAIR as needed. If OK, INSTALL a new climate controlled seat switch. Once the repair is complete, DISCONNECT the restraint system diagnostic tool from the seat connector and CONNECT the seat connector of the affected seat. REPOWER the SRS. REFER to AIR BAG RESTRAINT SYSTEMS . |
| B2793 | Cool Switch Short to Ground | CCSM | NOTE: If COOL is pressed for greater than 20 seconds on the climate controlled seat switch, DTC B2793 will set in the CCSM. CLEAR the DTC. If the DTC does not clear, DEPOWER the supplemental restraint system (SRS). REFER to AIR BAG RESTRAINT SYSTEMS . DISCONNECT driver seat C327 or passenger seat C315 of the affected seat and CONNECT restraint system diagnostic tool 501-095 to the affected seat connector. CONNECT the battery ground cable. CHECK circuit 1550 (WH/OG) for a fault and REPAIR as needed. If OK, INSTALL a new climate controlled seat switch. Once the repair is complete, DISCONNECT the restraint system diagnostic tool from the seat connector and CONNECT the seat connector of the affected seat. REPOWER the SRS. REFER to AIR BAG RESTRAINT SYSTEMS . |
| U2362 | UBP Invalid Data Node ID | CCSM | NOTE: DTC U2362 indicates a network concern, the CCSM is not the source of the fault. CLEAR the DTC. If the DTC does not clear, REFER MODULE COMMUNICATIONS NETWORK . |
CLIMATE CONTROLLED SEAT MODULE (CCSM) DIAGNOSTIC TROUBLE CODE (DTC) INDEX
Symptom Chart
| Condition | Possible Sources | Action |
|---|---|---|
| The power seat is inoperative - passenger | Fuse. Circuitry. Seat control switch (14A701). | Go To PINPOINT TEST A . |
| The power seat moves but is noisy | Seat tracks. Power seat motors. | Go To PINPOINT TEST B . |
| The power seat moves but is loose | Fastening hardware. Seat tracks. Power seat motors. | Go To PINPOINT TEST C . |
| The power seat does not make full travel | Track obstruction. Seat tracks. Power seat motors. | Go To PINPOINT TEST D . |
| The power seat does not move horizontally/vertically - passenger | Circuitry. Seat control switch. Seat tracks. Power seat motors. | Go To PINPOINT TEST E . |
| The memory seat is inoperative | Fuse. Circuitry. Seat control switch. Seat track. DSM. Power seat motor. | Go To PINPOINT TEST F . |
| The memory seat does not operate correctly - does not operate using the memory set switch | Circuitry. Memory set switch. Position sensor. DSM. | Go To PINPOINT TEST G . |
| The memory seat does not operate correctly - does not operate using the remote transmitter | Circuitry. DSM. Keyless entry transmitter. Central security module. | RUN DSM self-test. If codes are present, REFER to the DTC Index; if no codes are present, REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS . |
| No communication with the module - DSM | Fuse. Circuitry. DSM. | REFER to MODULE COMMUNICATIONS NETWORK . |
| No communication with the module - unable to carry out on-demand self-test with the DSM | Fuse. DSM. Circuitry. | REFER to MODULE COMMUNICATIONS NETWORK . |
| The power lumbar is inoperative | Circuitry. Seat control switch. Power lumbar motor assembly. | Go To PINPOINT TEST H (driver) or Go To PINPOINT TEST I (passenger). |
| All climate controlled seats are inoperative | CJB Fuse F1.118 (30A). Circuitry. | DEPOWER the supplemental restraint system (SRS). REFER to AIR BAG RESTRAINT SYSTEMS . DISCONNECT driver seat C327 or passenger seat C315 of the affected seat and CONNECT restraint system diagnostic tool 501-095 to the affected seat connector. CONNECT the battery ground cable. CHECK driver CCSM C3031b-4 (or passenger CCSM 3036b-4), circuit 1566 (RD/YE) for battery voltage. If OK, REPAIR ground to driver CCSM C3031b-3 (or passenger CCM 3036b), circuit 1205 (BK). Once the repair is complete, DISCONNECT the restraint system diagnostic tool from the seat connector and CONNECT the seat connector of the affected seat. REPOWER the SRS. REFER to AIR BAG RESTRAINT SYSTEMS . |
| A single climate controlled seat is inoperative/does not operate correctly | Circuitry. Climate controlled seat ducts. Climate controlled seat switch. Seat fan motor. Seat cushion TED. Seat backrest TED. CCSM. | For driver, Go To PINPOINT TEST J . |
| No communication with the driver CCSM | Circuitry. CCSM. | DEPOWER the supplemental restraint system (SRS). REFER to AIR BAG RESTRAINT SYSTEMS . DISCONNECT driver seat C327 or passenger seat C315 of the affected seat and CONNECT restraint system diagnostic tool 501-095 to the affected seat connector. CONNECT the battery ground cable. CHECK driver CCSM C3031b-2 (or passenger CCSM 3036b-2), circuit 1003 (GY/YE) for ignition voltage and driver CCSM C3031b-3 (or passenger C3036b-3), circuit 1205 (BK) for ground. REPAIR as needed. If OK, REFER to BATTERY & CHARGING SYSTEM . Once the repair is complete, DISCONNECT the restraint system diagnostic tool from the seat side air bag module body harness connector and CONNECT the seat side air bag module connector of the affected seat. REPOWER the SRS. REFER to AIR BAG RESTRAINT SYSTEMS . |
SYMPTOM CHART
