C0805

Control Module Power 2 Circuit

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Unstable engine operation
Problems starting the engine
Check Engine Light Is On
Failure of individual vehicle systems

Causes

Broken or damaged wiring harness
Poor contact in connectors
Faulty relay or fuse
Battery or alternator problems

How to Fix

Check the condition of the battery and generator
Inspect the wiring harness for damage
Check the contacts in the control module connectors
Replace faulty relays or fuses
Test the control module for faults

Related codes

P0562 P0563 P0620