Diagnostic Test

WARNING: This page is about a different car, the 2011 RAM Pickup and 2011 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR ACTIVE DTC
NOTE:
Before proceeding with this diagnostic procedure, verify the Left and Right Multifunction Switch and Clockspring harness connectors are properly seated and verify proper pin terminal tension. A loose connection at any of these connectors may cause this DTC to set.
1. Turn the ignition on.
2. With the scan tool, read the active DTCs.
  Does the scan tool display this DTC as active?
  
  Yes
  - Go To 2.
  No
  - Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
LEFT REMOTE RADIO SWITCH
1. Turn the ignition off.
2. Disconnect the Left Remote Radio Switch harness connector.
3. Turn the ignition on.
4. With the scan tool, read the active DTCs.
  Does the scan tool display this DTC as active?
  
  Yes
  - Go To 3.
  No
  - Replace the Left Remote Radio Switch in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST for 1500, 2500 & 3500, or BODY VERIFICATION TEST for 3500 CAB & CHASSIS, 4500 & 5500.
RIGHT REMOTE RADIO SWITCH
1. Turn the ignition off.
2. Disconnect the Right Remote Radio Switch harness connector.
3. Turn the ignition on.
4. With the scan tool, read the active DTCs.
  Does the scan tool display this DTC as active?
  
  Yes
  - Go To 4.
  No
  - Replace the Right Remote Radio Switch in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST for 1500, 2500 & 3500, or BODY VERIFICATION TEST for 3500 CAB & CHASSIS, 4500 & 5500.
(X20) RADIO CONTROL MUX CIRCUIT SHORTED TO GROUND

Fig 1: Radio Control MUX Circuit Shorted To Ground
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the Right Steering Wheel Switch harness connector.
3. Measure the resistance between ground and the (X20) Radio Control MUX circuit.
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Repair the (X20) Radio Control MUX circuit for a short to ground.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST for 1500, 2500 & 3500, or BODY VERIFICATION TEST for 3500 CAB & CHASSIS, 4500 & 5500.
  No
  - Replace the Right Steering Wheel Switch in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST for 1500, 2500 & 3500, or BODY VERIFICATION TEST for 3500 CAB & CHASSIS, 4500 & 5500.