P2127
Throttle/Pedal Position Sensor/Switch E Circuit Low
2019-2019 Buick Enclave 3.6L V6
Critical SeverityPowertrainGeneric (SAE)
The 2019 Buick Enclave is equipped with a 3.6L V6 engine. Below you'll find detailed p2127 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
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
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P2127 on Other Vehicles
Common Questions
What does code P2127 mean on a 2019-2019 Buick Enclave?
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 Buick Enclave?
Common symptoms of P2127 include: Limp mode, Reduced power, Check engine light.
What causes P2127 on a 2019-2019 Buick Enclave?
Common causes of P2127 include: APP sensor fault, Wiring short to ground, Corroded connection.
Last updated: March 2026