U0136

Lost Communication With Differential Control Module - Rear

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–278 (est.)

Symptoms

The Check Engine light comes on
Loss of rear differential control functions
Disabling the stabilization system (ESP)
Unusual car behavior when turning
Error message on the dashboard

Causes

Open or short circuit in wiring harness
Poor contact in differential module connectors
Malfunction of the rear differential control module
Problems with module power or grounding
Software error in the ECU

How to Fix

Check the integrity of the wiring harness to the differential module
Inspect and clean connector contacts
Check the supply voltage and ground on the module
Scan the differential module for additional errors
If necessary, replace the rear differential control module

Related codes

U0135 U0137 U0140