For a complete wiring diagram Refer to Section 8W.When Monitored:With the ignition on.Set Condition:The Totally Integrated Power Module (TIPM) detects a short to ground on the Rear Wiper Park Switch Sense circuit.Possible Causes(W17) REAR WIPER PARK SWITCH SENSE CIRCUIT SHORTED TO GROUNDREAR WIPER MOTORTOTALLY INTEGRATED POWER MODULE1. INTERMITTENT CONDITIONTurn the ignition on.With the scan tool, clear all DTC's.Turn the Rear Wipers on then off.With the scan tool, read DTC's.Does the scan tool display this DTC as active?YesGo To 2 NoThe condition that caused this symptom is currently not present. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also, inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Repair as necessary.Perform the BODY VERIFICATION TEST — VER 1.(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE) 2. REAR WIPER MOTOR

Turn the ignition off.Disconnect the Rear Wiper Motor harness connector.Turn the ignition on.With the scan tool, read the Rear Wiper Park Switch Sense.Does the Rear Wiper Park Switch Sense display: True? Yes Replace the Rear Wiper Motor in accordance with the Service Information.Perform the BODY VERIFICATION TEST — VER 1.(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE) No Go To 33. CHECK (W17) REAR WIPER PARK SWITCH SENSE CIRCUIT FOR A SHORT TO GROUND

Turn the ignition off.Disconnect the TIPM C7 harness connector.Measure the resistance between ground and the (W17) Rear Wiper Park Switch Sense Circuit.Is the resistance above 10k ohms?YesReplace the TIPM in accordance with the service information.Perform the BODY VERIFICATION TEST — VER 1.NoRepair the (W7) Wiper Park Switch Sense circuit for a short to ground.Perform the BODY VERIFICATION TEST — VER 1.(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)