Diagnostic Test

WARNING: This page is about a different car, the 2016 RAM 3500 HD and 2016 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR AN INTERMITTENT CONDITION
1. Turn the ignition on.
2. Using the scan tool, record and erase the Radio DTCs.
3. Turn the Radio on.
4. Adjust the speakers to the rear and center.
5. Using the scan tool, read the active Radio DTCs.
  Does the scan tool read: B1408-11-REAR LEFT AUDIO SPEAKER OUTPUT - CIRCUIT SHORT TO GROUND?
  
  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.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK LEFT REAR SPEAKER
1. Using the scan tool, erase the DTCs.
2. Turn the ignition off.
3. Disconnect the Left Rear Speaker harness connector from the Left Rear Speaker.
4. Turn the ignition on.
5. Turn the radio on.
6. Using the scan tool, read the active Radio DTCs.
  Does the scan tool read: B1408-11-REAR LEFT AUDIO SPEAKER OUTPUT - CIRCUIT SHORT TO GROUND?
  
  Yes
  - Go To 3
  No
  - Replace the Left Rear Speaker in accordance with the Service Information. Refer to SPEAKER, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK THE (X205) LEFT REAR SPEAKER (+) CIRCUIT FOR A SHORT TO GROUND
1. Turn the ignition off.
2. Disconnect the Radio C1 harness connector.
3. Measure the resistance between ground and the (X205) Left Rear Speaker (+) circuit.
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Repair the (X205) Left Rear Speaker (+) circuit for a short to ground.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 4
CHECK THE (X295) LEFT REAR SPEAKER (-) CIRCUIT FOR A SHORT TO GROUND
1. Measure the resistance between ground and the (X295) Left Rear Speaker (-) circuit.
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Repair the (X295) Left Rear Speaker (-) circuit for a short to ground.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Replace the Radio in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .