TorqueMech OBD Code Guide
P2135 - Throttle/Pedal Position Sensor/Switch A/B Voltage Correlation
TPS/APP signals do not correlate as expected.
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Related Inspection
Code Overview
TPS/APP signals do not correlate as expected.
Common Causes
- Throttle body failure
- APP sensor issue
- Wiring/connectors issue
- Low voltage
Diagnostic Steps
- Check battery voltage
- Inspect throttle body connector
- Verify APP/TPS signals on scan tool
Related OBD Codes
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Next Steps
Move from code to checks, then estimate.