C0097

4WD/AWD Rear Differential Unit Actuator B

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$111–278 (est.)

Symptoms

Four-wheel drive indicator flashing
The car goes into emergency fil Driving only with front-wheel drive
Unusual noises from the rear of the car
Passability problems in difficult road conditions

Causes

Differential solenoid malfunction
Open or shorted wiring harness
Solenoid valve power supply problems
Mechanical damage to the differential
Low level or contamination of differential oil

How to Fix

System diagnostics using an OBD-II scanner
Checking the integrity of the harnesses to the differential
Measuring Solenoid Resistance
Checking control signals from the TCM/ECU
Replacing a faulty solenoid valve if necessary
Changing differential oil

Related codes

C0095 C0096 C0098 C0035