P2971Low Severity
Supplemental Output Circuit Error / Component 2971
This diagnostic trouble code indicates a malfunction in the associated component circuit.
Common Symptoms of P2971
- MIL Illumination
- Reduced power
What Causes the P2971 Code?
- Wiring issue
- Component failure
How serious is the P2971 code?
Because this code has a low severity level, it is highly recommended to address it promptly. Driving with an active P2971 fault can lead to secondary component failures and decreased fuel economy.
How do you definitively diagnose and fix P2971?
To accurately diagnose the P2971 fault code, you need the exact OEM wiring diagram and diagnostic test procedures for your specific vehicle. Create an Auto Fix Data account to instantly pull the factory diagrams for this fault.