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Possible Causes RAM Pickup 1500

Totally Integrated Power Module (Tipm) - Electrical Diagnostics - 1500, 2500 & 3500 2 illustrations ~363 words

Possible Causes

Possible Causes
(L43) LEFT LOW BEAM DRIVER CIRCUIT SHORTED TO GROUND
(L43) LEFT LOW BEAM DRIVER CIRCUIT SHORTED TO THE (L911) LEFT HEADLAMP RETURN SIGNAL CIRCUIT
LEFT LOW BEAM BULB
TOTALLY INTEGRATED POWER MODULE (TIPM)

Scheme 346

Scheme 346: Diagnostic Test
Scheme 346: Diagnostic Test

Scheme 347

Scheme 347
Scheme 347
  1. INTERMITTENT CONDITION Turn the ignition on. With the scan tool, clear all DTCs. Turn the Headlamps on. With the scan tool, read DTCs. Does the scan tool display DTC: B162B-LEFT LOW BEAM CONTROL CIRCUIT LOW? 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»(ref-457926-S40044966262012030200000) .
  2. ATTEMPT TO SET THE OPPOSITE DTC Turn the ignition off. Disconnect the Left Headlamp Lamp harness connector. Turn the ignition on. With the scan tool, read DTCs. Does the scan tool display DTC: B162C-LEFT LOW BEAM CONTROL CIRCUIT HIGH? Yes Replace the Left Low Beam Bulb in accordance with the Service Information. Refer to «UNIT, Front Lamp , Removal»(ref-457789-S38757085632012030200000) . Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-457926-S40044966262012030200000) . No Go To 3 .
  3. CHECK THE (L43) LEFT LOW BEAM DRIVER CIRCUIT FOR A SHORT TO GROUND Turn the ignition off. Disconnect the TIPM C3 harness connector. Measure the resistance between ground and the (L43) Left Low Beam Driver circuit. Is the resistance above 10k Ohms? Yes Go To 4 . No Repair the short to ground in the (L43) Left Low Beam Driver circuit. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-457926-S40044966262012030200000) .
  4. CHECK THE (L43) LEFT LOW BEAM DRIVER CIRCUIT FOR A SHORT TO THE (L911) LEFT HEADLAMP RETURN SIGNAL CIRCUIT Measure the resistance between the (L43) Left Low Beam Driver circuit and the (L911) Left Headlamp Return Signal circuit. Is the resistance above 10k Ohms? Yes Replace the Totally Integrated Power Module (TIPM) in accordance with the Service Information. Refer to «MODULE, Totally Integrated Power (TIPM) , Removal»(ref-457819-S27313914492012030200000) . Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-457926-S40044966262012030200000) . No Repair the short between the (L43) Left Low Beam Driver circuit and the (L911) Left Headlamp Return Signal circuit. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-457926-S40044966262012030200000) .