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.
2006 Lincoln LSFACTORY OEM SERVICE PROCEDURE
Climate Control System DTCS
CLIMATE CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action |
|---|---|---|
| P1460 | WOT A/C Cutout Internal Driver Malfunction | REFER to INTRODUCTION - GASOLINE . |
| P1461 | A/C Pressure Sensor Circuit High Input | REFER to INTRODUCTION - GASOLINE . |
| P1462 | A/C Pressure Sensor Circuit Low Input | REFER to INTRODUCTION - GASOLINE . |
| P1463 | A/C Pressure Sensor Insufficient Pressure Variation | REFER to INTRODUCTION - GASOLINE . |
| P1469 | Low A/C Cycling Period | REFER to INTRODUCTION - GASOLINE . |
| P1474 | Low Speed Fan Internal Driver Failure | REFER to INTRODUCTION - GASOLINE . |
| P1479 | High Speed Fan Internal Driver Failure | REFER to INTRODUCTION - GASOLINE . |
| P1464 | A/C Demand Out Of Self-Test Range | REFER to INTRODUCTION - GASOLINE . |
DUAL ELECTRONIC AUTOMATIC TEMPERATURE CONTROL MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action |
|---|---|---|
| B1242 | Air Inlet Door Actuator Circuit Failure | Go To PINPOINT TEST C . |
| B1251 | In-Vehicle Temperature Sensor Circuit Open | Go To PINPOINT TEST D . |
| B1253 | In-Vehicle Temperature Sensor Circuit Short to Ground | Go To PINPOINT TEST D . |
| B1255 | Ambient Air Temperature Sensor Open | Go To PINPOINT TEST F . |
| B1257 | Ambient Air Temperature Sensor Short to Ground | Go To PINPOINT TEST F . |
| B1259 | A/C Solar Radiation Sensor Open Circuit | Go To PINPOINT TEST G . |
| B1261 | A/C Solar Radiation Sensor Circuit Short to Ground | Go To PINPOINT TEST G . |
| B1262 | Defrost Door Actuator Circuit Failure | Go To PINPOINT TEST C . |
| B1263 | Panel Door Actuator Circuit Failure | Go To PINPOINT TEST C . |
| B1264 | Floor Door Actuator Circuit Failure | Go To PINPOINT TEST C . |
| B1265 | Cold Air Bypass Door Actuator Circuit Failure | Invalid code. Vehicle not equipped with cold air bypass door actuator. Ignore this code and continue diagnostics. |
| B1342 | ECU Defective | INSTALL a new DATC module. |
| B1676 | Battery Voltage Out of Range | - |
| B1946 | Evaporator Discharge Temperature Sensor Open Circuit | Go To PINPOINT TEST E . |
| B1947 | Evaporator Discharge Temperature Sensor Circuit Short to Ground | Go To PINPOINT TEST E . |
| B1966 | Driver Heater Core Discharge Temperature Sensor Open Circuit | Go To PINPOINT TEST E . |
| B1967 | Driver Heater Core Discharge Temperature Sensor Short Circuit | Go To PINPOINT TEST E . |
| B2428 | Passenger Heater Core Discharge Temperature Sensor Open Circuit | Go To PINPOINT TEST E . |
| B2429 | Passenger Heater Core Discharge Temperature Sensor Short Circuit | Go To PINPOINT TEST E . |
| B2477 | Module Configuration Failure | RECONFIGURE the DATC module. |
| B2797 | Driver Coolant Control Valve Open Circuit | Go To PINPOINT TEST J . |
| B2798 | Driver Coolant Control Valve Circuit Short to Ground | Go To PINPOINT TEST H . |
| B2799 | Passenger Coolant Control Valve Open Circuit | Go To PINPOINT TEST J . |
| B2800 | Passenger Coolant Control Valve Circuit Short to Ground | Go To PINPOINT TEST H . |
| U1041 | SCP Invalid Or Missing Data For Function Read Vehicle Speed | REFER to INTRODUCTION - GASOLINE . |
| U1073 | SCP Invalid or Missing Data For Engine Coolant | REFER to INTRODUCTION - GASOLINE . |
| U1027 | SCP Invalid or Missing Data For Engine RPM | REFER to INTRODUCTION - GASOLINE . |
| U1178 | SCP Invalid or Missing Data For Voice Command | This code will only appear if the vehicle is equipped with voice command. |
| U1222 | SCP Invalid or Missing Data For Interior Lamps | - |
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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