VOLVO
ECM-P012023 - Throttle/Pedal Position Sensor A Circuit. General Signal Failures. Signal stuck low
System
Engine Control Module (ECM)
Volvo models this fault code applies to
Applies to the following models:
7 modelsS60 (2011–), S80 (2007–), V60 (2011–), V70 (2008–), XC60 (2009–), XC70 (2008–), XC90 (2003–)
Show models by year and engine (12)
- Volvo S60 (2011–)2011–2014Engine B6304T4 only
- Volvo S60 (2011–)2015Engine B6304T3, B6304T4, B6304T5 only
- Volvo S80 (2007–)2007Engine B6324S, B8444S only
- Volvo S80 (2007–)2008–2009Engine B6304T2, B6324S, B8444S only
- Volvo V60 (2011–)2011–2014Engine B6304T4 only
- Volvo V60 (2011–)2015Engine B6304T3, B6304T4, B6304T5 only
- Volvo V70 (2008–)2008–2009Engine B6304T2, B6324S only
- Volvo XC60 (2009–)2009–2010Engine B6304T2 only
- Volvo XC60 (2009–)2011–2015Engine B6304T4 only
- Volvo XC70 (2008–)2008Engine B6324S only
- Volvo XC70 (2008–)2009Engine B6304T2, B6324S only
- Volvo XC90 (2003–)2007–2010Engine B6324S only
What does this fault code mean?
The control module checks the PWM signal from the accelerator pedal position sensor. The fault code is set when that signal is too low for a set period of time.
Possible causes
- Short-circuit to ground in the signal cable
- Damaged accelerator pedal position sensor
What you can do
- 1Read the fault code status with the ignition on and check whether the fault is active. Then clear the code and road test the vehicle
- 2Check the connector at the accelerator pedal for contact resistance and oxidation
- 3With the connector unplugged, use a multimeter to check that the signal cable is not short-circuited to ground
- 4If you have a diagnostic tool: read the pedal position in live data while pressing the pedal. A position that does not follow the pedal suggests the fault is still present
- 5If the connector and wiring are in order and the fault remains, have a workshop check or replace the accelerator pedal position sensor
Symptoms you may notice2
- A message is shown in the information display
- The accelerator pedal is ignored during braking
What the fault can affect2
- The control module uses the analogue signal via CAN instead
- If the brake is pressed at the same time, the pedal position used is the released position
General guidance for car owners. Diagnosis on the car can point to a different cause.