VOLVO
ECM-P170300 - Brake Switch Out Of Self Test Range. General Failure Information. No sub type information
System
Engine Control Module (ECM)
Volvo models this fault code applies to
Applies to the following models:
2 modelsS80 (2007–), V70 (2008–)
Show models by year and engine (2)
What does this fault code mean?
The fault is due to driver error: the brake pedal was pressed when the engine control module (ECM) carried out its self-test at ignition, or when it tested the brake pedal sensor at engine start. The code gives no further detail on the type of fault.
Possible causes
- Driver error, with the brake applied during the engine control module self-test
What you can do
- 1Switch the ignition off, fully release the brake pedal and switch the ignition on again without pressing the brake
- 2Clear the fault code and read off the fault codes again after a short drive
- 3Check that the connectors at the brake pedal sensor are firmly seated and free from oxide
- 4Do not work on the brake system yourself. If the fault code returns: have a workshop check the brake pedal sensor
Symptoms you may notice1
- No noticeable symptoms for the driver
General guidance for car owners. Diagnosis on the car can point to a different cause.