P2135 - Throttle/Pedal Position Sensor/Switch A/B Voltage Correlation

TPS/APP signals do not correlate as expected.

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

1. Check battery voltage
2. Inspect throttle body connector
3. Verify APP/TPS signals on scan tool

Likely Repairs & Cost Guides

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

Related OBD Codes

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Next Steps

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