P2127
Throttle/Pedal Position Sensor/Switch E Circuit Low
2002-2009 GMC Envoy 4.2L I6
Critical SeverityPowertrainGeneric (SAE)
Description
Low voltage from accelerator pedal position sensor E.
Symptoms
- Limp mode
- Reduced power
- Check engine light
Common Causes
- APP sensor fault
- Wiring short to ground
- Corroded connection
Diagnostic Steps
- Measure APP sensor E voltage
- Check wiring and connector
Repair Notes
Replace pedal assembly or repair wiring.
Related Codes
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- P0003Fuel Volume Regulator Control Circuit Low
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
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- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
P2127 on Other Vehicles
Common Questions
What does code P2127 mean on a 2002-2009 GMC Envoy?
P2127 stands for "Throttle/Pedal Position Sensor/Switch E Circuit Low". Low voltage from accelerator pedal position sensor E.
What are the symptoms of P2127 on a GMC Envoy?
Common symptoms of P2127 include: Limp mode, Reduced power, Check engine light.
What causes P2127 on a 2002-2009 GMC Envoy?
Common causes of P2127 include: APP sensor fault, Wiring short to ground, Corroded connection.