VOLVO
ECM-193B - Throttle/Pedal Signal
System
Engine Control Module (ECM)
Volvo models this fault code applies to
Applies to the following models:
4 modelsC30 (2007–2013), C70 (2006–2013), S40 (2004–2013), V50 (2004–2013)
Show models by year and engine (5)
- Volvo C30 (2007–2013)2008–2010Engine D4204T only · Transmission MMT6, MPS6 only
- Volvo C70 (2006–2013)2008Engine D4204T only
- Volvo C70 (2006–2013)2009–2010Engine D4204T only · Transmission MMT6, MPS6 only
- Volvo S40 (2004–2013)2008–2010Engine D4204T only · Transmission MMT6, MPS6 only
- Volvo V50 (2004–2013)2008–2010Engine D4204T only · Transmission MMT6, MPS6 only
What does this fault code mean?
The accelerator pedal position is sent from the central electronics control module (CEM) to the engine control module (ECM) over the CAN network. The pedal sensor's analogue signal is wired straight to the CEM. If the engine control module receives notice that the information from the CEM is incorrect, the code is set. The fault can come from poor contact in the connectors or a damaged accelerator pedal position sensor.
Possible causes
- Contact resistance or oxidation in the connectors
- Damaged accelerator pedal (AP) position sensor
What you can do
- 1Read and clear the fault code and check whether it returns
- 2Check that the accelerator pedal moves freely and returns without sticking
- 3Check that the connectors at the accelerator pedal and at the central electronics control module (CEM) are secure and clean
- 4If you have a diagnostic tool, follow the accelerator pedal position in live data as you press and release the pedal and check that the value follows the movement smoothly
- 5Have a workshop check the accelerator pedal position sensor if the fault remains
Symptoms you may notice1
- Text message or warning symbol in the display
General guidance for car owners. Diagnosis on the car can point to a different cause.