C0094

4WD/AWD Rear Differential Unit Temperature Sensor

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine or 4WD/AWD light is on
Reduced all-wheel drive efficiency
Rear differential overheating
Incorrect operation of the all-wheel drive system

Causes

Open or short circuit in wiring harness
Oxidation of sensor contacts
Temperature sensor malfunction
ECU problems
Poor connection in connectors

How to Fix

Check the integrity of the sensor wiring harness
Clean sensor contacts and connectors
Check the sensor resistance (compare with reference values)
Replace temperature sensor if necessary
Check connections to ECU
Reset the error and check for its reappearance

Related codes

C0093 C0095 C0051