C0315

Module Ground Circuit

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$22–111 (est.)

Symptoms

Unstable operation of electronic systems
Warning lights on the dashboard come on
Error-related module malfunctions

Causes

Poor module grounding
Oxidized or loose contacts
Damaged wiring harness
Internal module fault

How to Fix

Check the quality of the module grounding
Clean and tighten ground connections
Inspect the wiring harness for damage
Replace the module if necessary

Related codes

C0310 C0311 C0327