Error code
OBD2 P2129
OBD2P2129
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Throttle/Pedal Position Sensor/Switch 'E' Circuit Intermittent.
Severity
moderateCan be driven but may experience inconsistent throttle response or stalling.
Summary
P2129 indicates an intermittent issue with the throttle or accelerator pedal position sensor/switch E circuit, which is located in the engine control system.
Common Causes
- Poor wiring connection
- Faulty APP / TP sensor/switch
Fixes
- Inspect and repair wiring connections, replace faulty sensor/switch if necessary.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
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- P2102Throttle Actuator Control Motor Circuit Low
- P2103Throttle Actuator Control Motor Circuit High
- P2104Throttle Actuator Control System - Forced Idle
- P2105Throttle Actuator Control System - Forced Engine Shutdown
- P2106Throttle Actuator Control System - Forced Limited Power
- P2107Throttle Actuator Control Module Processor
- P2108Throttle Actuator Control Module Performance
- P2109Throttle/Pedal Position Sensor 'A' Minimum Stop Performance
- P2110Throttle Actuator Control System - Forced Limited RPM
- P2111Throttle Actuator Control System - Stuck Open