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 Powertrain Control Module Diagnostic Trouble Code (DTC) List
POWERTRAIN CONTROL MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Perform Test |
|---|---|---|
| P1436 | A/C Evaporator Air Temperature Sensor Circuit Low | REFER to INTRODUCTION - CNG, FLEX-FUEL & GASOLINE . |
| P1437 | A/C Evaporator Air Temperature Sensor Circuit High | REFER to INTRODUCTION - CNG, FLEX-FUEL & GASOLINE . |
| P1460 | Wide Open Throttle A/C Primary Circuit Malfunction | REFER to INTRODUCTION - CNG, FLEX-FUEL & GASOLINE . |
| P1464 | A/C Demand Out Of Self-Test Range | REFER to INTRODUCTION - CNG, FLEX-FUEL & GASOLINE . |
| P1469 | Low A/C Cycling Period | REFER to INTRODUCTION - CNG, FLEX-FUEL & GASOLINE . |
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.