Diagnostic Trouble Code (DTC) Information
ECM-9530 ACCELERATOR PEDAL (AP) POSITION SENSOR, FAULTY SIGNAL
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION
Condition
Diagnostic trouble code (DTC) ECM-9530 is stored in the engine control module (ECM) if the engine control module (ECM) registers a fault in the analog signal from the accelerator pedal (AP) unit.
Condition
- slower throttle opening than requested throttle opening
- throttle closure when braking
Possible source
Signal too high
- short-circuit to supply voltage in the signal cable
Signal too low
- short-circuit to ground in the signal cable
- open-circuit in the signal cable
- open-circuit in power supply
- defective accelerator pedal (AP) position sensor
Condition
- ETS warning lamp lit
- poor accelerator pedal (AP) response