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 Mercury Sable LS, 4D SedanFACTORY OEM SERVICE PROCEDURE
Climate Control Systems Remote Climate Control Module Diagnostic Trouble Code (DTC) List
REMOTE CLIMATE CONTROL MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Perform Test |
|---|---|---|
| B1249 | Temperature Blend Door Failure or Short | Go To PINPOINT TEST A . |
| B1251 | In-Vehicle Temperature Sensor Open | Go To PINPOINT TEST B . |
| B1253 | In-Vehicle Temperature Sensor Short to Ground | Go To PINPOINT TEST B . |
| B1259 | Solar Radiation Sensor Open | Go To PINPOINT TEST C . |
| B1261 | Solar Radiation Sensor Short to Ground | Go To PINPOINT TEST C . |
| U2006 | ACP Communication Error Between Integrated Control Panel and Remote Climate Control Module | Go To PINPOINT TEST D . |
| B1342 | ECU faulted | INSTALL a new RCC module. REFER to CONTROL COMPONENTS . TEST the system for normal operation. |
| B1676 | Voltage out of range | Go To PINPOINT TEST E . |
| U0073 | CAN BUS Communication error | REFER to MODULE COMMUNICATIONS NETWORK . |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.