Diagnostic Test

CHECK FOR ACTIVE DTC
1. Turn the ignition on.
2. With the scan tool, read Park Assist Module DTCs.
  Is this DTC active?
  
  Yes
  - Go to step 2
  No
  - The condition that caused this code to set is not present at this time. 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.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure
PARK ASSIST SENSOR NO. 1
1. Turn the ignition off.
2. Disconnect the Park Assist Sensor No. 1.
3. Turn the ignition on.
4. With the scan tool, read Park Assist Module DTCs.
  Is this DTC active?
  
  Yes
  - Go to step 3
  No
  - Replace the Park Assist Sensor in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure
(D702) PARK ASSIST SENSOR NO. 1 SIGNAL CIRCUIT SHORT TO BATTERY

Fig 1: Checking Park Assist Sensor No. 1 Signal Circuit Short To Battery
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the Park Assist Module C3 harness connector.
3. Turn the ignition on.
4. Measure the voltage of the (D702) Park Assist Sensor No. 1 Signal circuit.
  Is the voltage above 10.0 volts?
  
  Yes
  - Repair the (D702) Park Assist Sensor No. 1 Signal circuit for a short to battery.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure
  No
  - Go to step 4
(X751) FRONT PARK ASSIST SENSOR RETURN CIRCUIT OPEN

Fig 2: Checking Front Park Assist Sensor Return Circuit Open
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Measure the resistance of the (X751) Front Park Assist Sensor Return circuit.
  Is the resistance above 5.0 ohms?
  
  Yes
  - Repair the (X751) Front Park Assist Sensor Return circuit for an open.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure
  No
  - Replace the Park Assist Module in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure