Test F: DTC C1748 - Switch Input Circuit Short To Gnd
PINPOINT TEST F: DTC C1748 - SWITCH INPUT CIRCUIT SHORT TO GNDF1:
F1-F3:
Normal Operation
The parking aid system is enabled when the ignition switch is in the RUN position and the transmission is in REVERSE (R). When the parking aid switch is pressed the parking aid module is momentarily grounded through circuit 2340 (LG/WH) and disables the parking aid system.
DTC C1748 - is a continuous DTC that sets if the parking aid module senses a short to ground on the parking aid switch voltage reference circuit 2340 (LG/WH).
Possible Causes
- Circuit 2340 (LG/WH) short to ground
- Parking aid switch
- Parking aid module