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 B1635-LEFT HI BEAM CONTROL CIRCUIT OPEN?
  
  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 .
LEFT HIGH BEAM BULB
1. Turn the ignition off.
2. Inspect the Left High Beam Bulb Assembly.
  Is the inoperative bulb OK?
  
  Yes
  - Go To 3.
  No
  - Replace the inoperative bulb in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
(L33) HIGH BEAM CONTROL CIRCUIT OPEN

Fig 1: Checking High Beam Control Circuit For Open
Courtesy of CHRYSLER LLC
1. Disconnect the Left Headlamp Lamp harness connector.
2. Disconnect the TIPM C4 harness connector.
3. Measure the resistance of the (L33) Left High Beam Driver circuit between the Left Headlamp Lamp harness connector and the TIPM C4 harness connector.
  Is the resistance above 5.0 Ohms?
  
  Yes
  - Repair the open in the (L33) Left 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 .