U0292

Lost Communication With Drive Motor Control Module B

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$167–556 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
Switching to emergency mode
Inability to use electric drive (in hybrids)
Errors in other CAN bus-related systems

Causes

Open or short circuit in the CAN bus
Damage to the wiring harness to module B
Engine control module B fault
Problems with module power or grounding
Corroded connectors or poor contact

How to Fix

Check the integrity of the CAN bus with a multimeter
Inspect the wiring harness for damage
Check power and grounding of module B
Clean connector contacts from corrosion
Scan other modules for related errors
Replace engine control module B if necessary

Related codes

U0293 U0282 U0100