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Home >> Dodge and Ram >> 2018 >> Charger Pursuit, 5.7L Eng VIN T, 4WD >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> (Passenger Door Module (PDM) (DMFL/R) - Electrical Diagnostics) >> DTC Troubleshooting >> B210C-16-Battery Voltage Input - Circuit Voltage Below Threshold >> Diagnostic Test

Diagnostic Test

  1. CHECK FOR AN ACTIVE DTC 
    1. With the scan tool, create a Vehicle Scan Report and attach it to the repair order.
    2. With the scan tool, read PCM DTCs.

      Are there any PCM Charging or Battery DTCs present?

      Yes 

      • Repair the PCM DTC(s). Refer to DTC INDEX .

      No 

      • Go To  2
  2. CHECK THE PASSENGER DOOR MODULE 
    1. With the scan tool, create a Vehicle Scan Report and attach it to the repair order.
    2. Start the engine and run for two minutes.
    3. With the scan tool, read PDM DTCs.

      Is the DTC active?

      Yes 

      • Go To  3

      No 

      • 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 and repair as necessary. If no problems are found, test complete.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  3. CHECK THE (A925) FUSED B(+) OR (Z917) GROUND CIRCUITS FOR HIGH RESISTANCE 
    1. Turn the ignition off.
    2. Disconnect the Passenger Door Module C3 harness connector.
    3. With a 12-volt test light connected to the (Z917) Ground circuit, check the (A925) Fused B(+) circuit at the Passenger Door Module C3 harness connector.
      NOTE:

      The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery.

      Does the test light illuminate brightly?

      Yes 

      No 

      • Test the Fused B(+) and the Ground circuits to determine which one has the high resistance. Repair the circuit for high resistance.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .