P2137
PowertrainThrottle Pedalhigh severityThrottle/Pedal Position Sensor/Switch E/F Voltage Correlation
What P2137 Means
The E and F pedal or throttle position sensor signals do not agree with each other. The PCM sees a mismatch between the two redundant channels.
Symptoms
- Check engine light on
- Reduced power / limp mode
- Erratic acceleration
Common Causes
- Faulty accelerator pedal position sensor assembly
- Wiring fault in E or F circuit
- Poor connector contact
- PCM signal processing fault
Diagnostic Steps
- Scan and compare E and F sensor values
- Inspect shared wiring and connectors
- Wiggle-test harness for intermittent faults
- Replace pedal sensor assembly if signals mismatch
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