P2128critical severityPowertrain
Throttle/Pedal Position Sensor/Switch E Circuit High
on 2010 Volvo XC90 4.4L V8 · AWD
What this code means
High voltage from accelerator pedal position sensor E.
Symptoms
- Limp mode
- Check engine light
- Possible unintended throttle input
Common causes
- Open ground
- Short to voltage in harness
- Failed sensor
Diagnostic steps
- Measure sensor E voltage
- Check ground circuit
- Inspect wiring
Repair notes
Replace accelerator pedal assembly or repair wiring.
Other Powertrain codes on this vehicle
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P0002
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P0004
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P0010
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P0011
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P0012
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P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1