P2129
Throttle/Pedal Position Sensor/Switch E Circuit Intermittent
P2129 is an OBD-II diagnostic trouble code meaning: Throttle/Pedal Position Sensor/Switch E Circuit Intermittent. Common causes: gas pedal position sensor malfunction, damage to wiring or connectors. Estimated repair cost: $17–56.
Symptoms
- Unstable engine operation
- Power Loss
- Unexpected changes in engine speed
- Check Engine light comes on
- Acceleration problems
Causes
- Gas pedal position sensor malfunction
- Damage to wiring or connectors
- Short circuit in the circuit
- Poor contact in connectors
- ECU malfunction
How to Fix
- Check the integrity of the sensor circuit
- Inspect connectors for damage or corrosion
- Check sensor resistance and voltage
- Replace the gas pedal position sensor if necessary
- Check and, if necessary, replace the computer
Related codes
Error P2129 by Vehicle Brand
FAQ
What does the P2129 code mean?
P2129 is an OBD-II diagnostic trouble code that indicates: Throttle/Pedal Position Sensor/Switch E Circuit Intermittent
What causes a P2129 error code?
The most common causes of P2129 include: Gas pedal position sensor malfunction; Damage to wiring or connectors; Short circuit in the circuit; Poor contact in connectors.
How do I fix a P2129 diagnostic trouble code?
To fix P2129: Check the integrity of the sensor circuit. Inspect connectors for damage or corrosion. Check sensor resistance and voltage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2129?
Limited driving only, diagnose soon
How much does it cost to fix P2129?
The estimated repair cost for P2129 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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