AFCM Power Relay Sense Circuit
The AFCM detects a generic fault on the sense feedback line of its power relay. Relay state cannot be confirmed reliably.
Affected components
- Afcm power relay
- Afcm
- Wiring harness
Common causes
- High likelihood: Open or shorted feedback wire
- Medium likelihood: Relay contact aged - high resistance
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
- Reduced-power or limp mode may occur
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.