P0212 - Injector Circuit Malfunction - Cylinder 12

The ECM detected a fault in the injector circuit for cylinder 12.

Code Overview

The ECM detected a fault in the injector circuit for cylinder 12.

Common Causes

• Failed fuel injector on cylinder 12
• Damaged wiring or connector at injector 12
• Injector driver or control circuit fault

Diagnostic Steps

1. Inspect injector 12 connector and harness routing
2. Check injector resistance and control signal if accessible
3. Look for related misfire or fuel-trim codes before replacing parts

Likely Repairs & Cost Guides

Use test results to confirm the fault before pricing the repair.

Related OBD Codes

Browse the closest code-family pages when the same fault pattern often shows up nearby.

Next Steps

Move from the code to a diagnosis path, then into repair pricing once the fault is confirmed.