Signal Too Low - Intermittent Fault

ECM-9540 ACCELERATOR PEDAL (AP) POSITION SENSOR, POWER SUPPLY 5V
SIGNAL TOO LOW - INTERMITTENT FAULT

Checking component and wiring



Check cable between engine control module (ECM) # B9 and accelerator pedal (AP) position sensor # 6 for an intermittent short-circuit to ground according to [1][2]Checking Wiring and Terminals. Intermittent Faults

Remedy as necessary

Other information
- To connect the breakout box, Connecting the Breakout Box (ECM)
- To access/replace the accelerator pedal (AP) position sensor, Accelerator Pedal Module, Replacing
- For information about signals, see Diagnostic Parameters and Pinout Values. Signal Description, ME7, B5XX4T


Fault-tracing information
If the fault is intermittent, do not verify fault-tracing if the fault does not recur.