Thermostat Heater Control Circuit Failure
Table of contents
P1432 MERCURY Possible Causes
- Faulty Thermostat Heater
- Thermostat Heater harness is open or shorted
- Thermostat Heater circuit poor electrical connection
How do I fix code P1432 MERCURY?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the P1432 MERCURY code
The cost of diagnosing the P1432 MERCURY code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
When is the code detected
The Powertrain Control Module (PCM) monitored the thermostat heater control circuit and detected a high or low voltage condition
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1432 MERCURY Description
Thermostat Heater Control (THTRC) Circuit Failure. The Comprehensive Component Monitor (CCM) monitors the THTRC circuit to the Powertrain Control Module (PCM) for high and low voltage.