P0012

A Camshaft Position – Timing Over-Retarded (Bank 1)

Severity: High Fuel & Air Metering Generic OBD-II Code Est. Repair: $100 - $800

High severity. Avoid long drives and get diagnosed as soon as possible. Flashing check engine light = stop driving if safe.

What Does P0012 Mean?

Intake cam timing more retarded than commanded.

Common Symptoms

CEL
Power loss
Rough running

Possible Causes

Stuck VVT
Oil issues
Chain stretch
Solenoid fault

How to Fix P0012 – Repair Guide

Oil service
VVT solenoid service
Timing system inspection
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Recommended OBD2 Scanners & Tools

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Disclaimer: Information is for educational reference only and does not replace professional diagnosis. Actual causes and costs vary by vehicle make, model, year and condition. Always verify with a qualified technician.