Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2004 Ford Freestar BaseFACTORY OEM SERVICE PROCEDURE
Climate Controlled Seat Module (CCSM) DTCS
CLIMATE CONTROLLED SEAT MODULE (CCSM) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Perform Test |
|---|---|---|---|
| B1342 | ECU Is Faulted | CCSM | CONFIGURE the CCSM. CLEAR the DTC. If the DTC does not clear, CONFIGURE the CCSM once again. CLEAR the DTC. If the DTC does not clear, INSTALL a new CCSM. |
| B1358 | Ignition Switch or Blower Electronics Circuit Short to Ground | CCSM | Go To PINPOINT TEST J: DTC B1358 - IGNITION SWITCH OR BLOWER ELECTRONICS CIRCUIT SHORT TO GROUND/DTC B2521 - TACH CIRCUIT FAILURE . |
| B2477 | Module Configuration Error | CCSM | CONFIGURE the CCSM. CLEAR the DTC. If the DTC does not clear, CONFIGURE the CCSM once again. CLEAR the DTC. If the DTC does not clear, INSTALL a new CCSM. |
| B2486 | Climate Controlled Seat Module Voltage Out of Range | CCSM | CHECK circuit 1554 (WH) for a fault and REPAIR as needed. If okay, refer to BATTERY & CHARGING SYSTEM . |
| B2488 | Thumb-Wheel Switch Voltage Out of Range High | CCSM |
NOTE:
Make sure CCSM C3031b (driver) or CCSM C3036b (passenger) pins 7 and 15 are open (no connect). If circuits are present at either pin location, repair the wiring concern.
CONFIGURE the CCSM. CLEAR the DTC. If the DTC does not clear, CONFIGURE the CCSM once again. CLEAR the DTC. If the DTC does not clear, INSTALL a new CCSM. |
| B2521 | Tach Circuit Failure | CCSM | Go To PINPOINT TEST J: DTC B1358 - IGNITION SWITCH OR BLOWER ELECTRONICS CIRCUIT SHORT TO GROUND/DTC B2521 - TACH CIRCUIT FAILURE . |
| B2729 | Cushion Over-Temp Detected | CCSM | For driver CCSM, Go To PINPOINT TEST K: DTC B2729 - CUSHION OVER-TEMP DETECTED/DTC B2730 - BACK OVER-TEMP DETECTED/DTC B2731 - DIFFERENTIAL TEMPERATURE FAULT - DRIVER SEAT . For passenger CCSM, Go To PINPOINT TEST L: DTC B2729 - CUSHION OVER-TEMP DETECTED/DTC B2730 - BACK OVER-TEMP DETECTED/DTC B2731 - DIFFERENTIAL TEMPERATURE FAULT - PASSENGER SEAT . |
| B2730 | Back Over-Temp Detected | CCSM | For driver CCSM, Go To PINPOINT TEST K: DTC B2729 - CUSHION OVER-TEMP DETECTED/DTC B2730 - BACK OVER-TEMP DETECTED/DTC B2731 - DIFFERENTIAL TEMPERATURE FAULT - DRIVER SEAT . For passenger CCSM, Go To PINPOINT TEST L: DTC B2729 - CUSHION OVER-TEMP DETECTED/DTC B2730 - BACK OVER-TEMP DETECTED/DTC B2731 - DIFFERENTIAL TEMPERATURE FAULT - PASSENGER SEAT . |
| B2731 | Differential Temperature Fault | CCSM | For driver CCSM, Go To PINPOINT TEST K: DTC B2729 - CUSHION OVER-TEMP DETECTED/DTC B2730 - BACK OVER-TEMP DETECTED/DTC B2731 - DIFFERENTIAL TEMPERATURE FAULT - DRIVER SEAT . For passenger CCSM, Go To PINPOINT TEST L: DTC B2729 - CUSHION OVER-TEMP DETECTED/DTC B2730 - BACK OVER-TEMP DETECTED/DTC B2731 - DIFFERENTIAL TEMPERATURE FAULT - PASSENGER SEAT . |
| B2792 | Heat Switch Short to Ground | CCSM |
NOTE:
Make sure CCSM C3031b (driver) or CCSM C3036b (passenger) pin 6 are open (no connect). If circuits are present at either pin location, repair the wiring concern.
CONFIGURE the CCSM. CLEAR the DTC. If the DTC does not clear, CONFIGURE the CCSM once again. CLEAR the DTC. If the DTC does not clear, INSTALL a new CCSM. |
| B2793 | Cool Switch Short to Ground | CCSM |
NOTE:
Make sure CCSM C3031b (driver) or CCSM C3036b (passenger) pin 16 are open (no connect). If circuits are present at either pin location, repair the wiring concern.
CONFIGURE the CCSM. CLEAR the DTC. If the DTC does not clear, CONFIGURE the CCSM once again. CLEAR the DTC. If the DTC does not clear, INSTALL a new CCSM. |
| U2362 | UBP Invalid Data Node ID | CCSM |
NOTE:
DTC U2362 indicates a network concern, the CCSM is not the source of the fault.
CONFIGURE the CCSM. CLEAR the DTC. If the DTC does not clear, CONFIGURE the CCSM once again. CLEAR the DTC. If the DTC does not clear, refer to MODULE COMMUNICATIONS NETWORK . |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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