P1439
Motor Drive Module Short Circuit Sensor Problem
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)
Symptoms
- Check Engine light comes on
- Reduced engine power
- Increased fuel consumption
- Unstable engine idling
- The car goes into emergency mode
Causes
- Short circuit in the drive module sensor circuit
- Drive module sensor failure
- Wiring harness damage
- Drive module problems
- Corrosion or oxidation of contacts
How to Fix
- Check the integrity of the wiring harness to the sensor
- Check the resistance of the drive module sensor
- Inspect contacts for corrosion
- If necessary, replace the sensor or drive module
- Reset the error and check for its reappearance