Camshaft A Position Signal Output Circuit High Bank 1
The buffered camshaft A position output is above the expected level on bank 1. Typical causes are a short to battery or an open output stage.
Affected components
- Control module
- Signal output buffer
- Wiring harness
Common causes
- High likelihood: Output wire shorted to B+
- Medium likelihood: Output buffer open
- Low likelihood: Connector pins corroded - high contact resistance
Possible symptoms
- Check engine light on
- Power loss especially in mid-rpm range
- Possible rough idle or stalling
- Increased fuel consumption
Diagnostic notes
- The malfunction indicator lamp may illuminate
Related codes
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.