Diagnostic Test

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

INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, clear all TIPM DTCs.
3. Turn the High Beam Lamps on.
4. With the scan tool, read DTCs.
  Does the scan tool display DTC B1637-RIGHT HI BEAM CONTROL CIRCUIT LOW?
  
  Yes
  - Go To 2.
  No
  - The condition that caused the symptom is currently not present. Inspect the related wiring for a possible intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
(L34) RIGHT HIGH BEAM DRIVER CIRCUIT SHORTED TO GROUND

Fig 1: Checking Right High Beam Driver Circuit For Short To Ground
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the TIPM C4 harness connector.
3. Disconnect the Right Headlamp Lamp harness connector.
4. Measure the resistance between ground and the Right High Beam Driver circuit.
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Repair the short to ground in the (L34) Right High Beam Driver circuit.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Replace the Totally Integrated Power Module (TIPM) in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .