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.
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HOMESERVICE MANUALSDODGE AND RAM20241500 TRXREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 448 (DTC INDEX (1 OF 3))MODULE, COMFORT REAR SEAT (CRSM)
2024 Dodge and Ram 1500 TRX
Module, Comfort Rear Seat (CRSM)
2024 Dodge and Ram 1500 TRXSECTION Module, Comfort Rear Seat (CRSM)
WARNING: This page is about a different car, the 2023 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| B1148-2A | LEFT REAR HEATED SEAT SWITCH-STUCK |
| B114D-2A | RIGHT REAR HEATED SEAT SWITCH-STUCK |
| B11F5-2A | LEFT REAR VENTED SEAT SWITCH-STUCK |
| B11F6-11 | LEFT REAR VENTED SEAT-CIRCUIT SHORT TO GROUND |
| B11F6-12 | LEFT REAR VENTED SEAT-CIRCUIT SHORT TO BATTERY |
| B11F7-2A | RIGHT REAR VENTED SEAT SWITCH-STUCK |
| B11F8-11 | RIGHT REAR VENTED SEAT-CIRCUIT SHORT TO GROUND |
| B11F8-12 | RIGHT REAR VENTED SEAT-CIRCUIT SHORT TO BATTERY |
| B1E9B-11 | REAR LEFT HEATER CONTROL 1-CIRCUIT SHORT TO GROUND |
| B1E9B-12 | REAR LEFT HEATER CONTROL 1-CIRCUIT SHORT TO BATTERY |
| B1E9B-13 | REAR LEFT HEATER CONTROL 1-CIRCUIT OPEN |
| B1E9B-4B | REAR LEFT HEATER CONTROL 1-OVER TEMPERATURE |
| B1E9B-92 | REAR LEFT HEATER CONTROL 1-PERFORMANCE OR INCORRECT OPERATION |
| B1E9C-11 | REAR RIGHT HEATER CONTROL 1-CIRCUIT SHORT TO GROUND |
| B1E9C-12 | REAR RIGHT HEATER CONTROL 1-CIRCUIT SHORT TO BATTERY |
| B1E9C-13 | REAR RIGHT HEATER CONTROL 1-CIRCUIT OPEN |
| B1E9C-4B | REAR RIGHT HEATER CONTROL 1-OVER TEMPERATURE |
| B1E9C-92 | REAR RIGHT HEATER CONTROL 1-PERFORMANCE OR INCORRECT OPERATION |
| B1EB3-1A | REAR LEFT SEAT HEATER SENSOR 1-CIRCUIT RESISTANCE BELOW THRESHOLD |
| B1EB3-1B | REAR LEFT SEAT HEATER SENSOR 1-CIRCUIT RESISTANCE ABOVE THRESHOLD |
| B1EB4-1A | REAR RIGHT SEAT HEATER SENSOR 1-CIRCUIT RESISTANCE BELOW THRESHOLD |
| B1EB4-1B | REAR RIGHT SEAT HEATER SENSOR 1-CIRCUIT RESISTANCE ABOVE THRESHOLD |
| B1F12-11 | REAR LEFT HEATER CONTROL 2-CIRCUIT SHORT TO GROUND |
| B1F12-12 | REAR LEFT HEATER CONTROL 2-CIRCUIT SHORT TO BATTERY |
| B1F12-13 | REAR LEFT HEATER CONTROL 2-CIRCUIT OPEN |
| B1F12-4B | REAR LEFT HEATER CONTROL 2-OVER TEMPERATURE |
| B1F12-92 | REAR LEFT HEATER CONTROL 2-PERFORMANCE OR INCORRECT OPERATION |
| B1F13-11 | REAR RIGHT HEATER CONTROL 2-CIRCUIT SHORT TO GROUND |
| B1F13-12 | REAR RIGHT HEATER CONTROL 2-CIRCUIT SHORT TO BATTERY |
| B1F13-13 | REAR RIGHT HEATER CONTROL 2-CIRCUIT OPEN |
| B1F13-4B | REAR RIGHT HEATER CONTROL 2-OVER TEMPERATURE |
| B1F13-92 | REAR RIGHT HEATER CONTROL 2-PERFORMANCE OR INCORRECT OPERATION |
| B1F18-1A | REAR LEFT SEAT HEATER CONTROL 2-CIRCUIT RESISTANCE BELOW THRESHOLD |
| B1F18-1B | REAR LEFT SEAT HEATER CONTROL 2-CIRCUIT RESISTANCE ABOVE THRESHOLD |
| B1F19-1A | REAR RIGHT SEAT HEATER CONTROL 2-CIRCUIT RESISTANCE BELOW THRESHOLD |
| B1F19-1B | REAR RIGHT SEAT HEATER CONTROL 2-CIRCUIT RESISTANCE ABOVE THRESHOLD |
| B2199-16 | BATTERY VOLTAGE-CIRCUIT VOLTAGE BELOW THRESHOLD |
| B2199-17 | BATTERY VOLTAGE-CIRCUIT VOLTAGE ABOVE THRESHOLD |
| B21DD-84 | SYSTEM VOLTAGE-SIGNAL BELOW ALLOWABLE RANGE |
| B21DD-85 | SYSTEM VOLTAGE-SIGNAL ABOVE ALLOWABLE RANGE |
| B2204-00 | ECU CONFIGURATION MISMATCH |
| B227E-00 | ECU OVER TEMPERATURE |
| B22A9-00 | ECU INTERNAL PERFORMANCE |
| B2353-13 | RIGHT HEATED SEATS POWER SUPPLY-CIRCUIT OPEN |
| U0011-00 | CAN INTERIOR BUS OFF PERFORMANCE |
| U0140-00 | LOST COMMUNICATION WITH BODY CONTROL MODULE |
RENDER: 1.0x
NO RELATED
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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.