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HOMESERVICE MANUALSDODGE AND RAM2023DURANGO SXT PLUS, RWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESBODY CONTROL MODULE (BCM) - DTCS P0070-11 TO U1433-24DTC TROUBLESHOOTINGP0070-11-AMBIENT AIR TEMPERATURE SENSOR CIRCUIT-CIRCUIT SHORT TO GROUNDDIAGNOSTIC TEST
2023 Dodge and Ram Durango SXT Plus, RWD

Diagnostic Test

2023 Dodge and Ram Durango SXT Plus, RWDSECTION Diagnostic Test
  1. CHECK FOR AN ACTIVE DTC 
    NOTE:

    After repairing an Ambient Air Temperature (AAT) Sensor circuit, or replacing the AAT Sensor, the vehicle MUST be driven above 15 mph (24 km/h), for at least five minutes. Performing this allows the AAT Sensor data in the BCM to be updated. Failure to perform this may lead to the incorrect replacement of the BCM.

    1. With the scan tool, read the Body Control Module (BCM) DTCs and record on the repair order.

      Is the DTC active?

      Yes 

      • Go To  2

      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. If no problems are found, test complete.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  2. CHECK THE AMBIENT AIR TEMPERATURE SENSOR FOR AN INTERNAL SHORT 
    NOTE:

    The AAT Sensor operates between 345, 260 Ohms (low temperature) and 181 Ohms (high temperature).

    At 20°C (68°F) the AAT Sensor resistance should be between 11, 370 Ohms and 13, 610 Ohms.

    1. Turn the ignition off.
    2. Disconnect the Ambient Air Temperature (AAT) Sensor harness connector.
    3. Turn the ignition on.
    4. With the scan tool, read the BCM DTCs.

      Is the DTC Active?

      Yes 

      • Go To  3

      No 

      • Replace the Ambient Air Temperature Sensor in accordance with the Service Information.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  3. CHECK THE (G31) AAT SENSOR SIGNAL CIRCUIT FOR A SHORT TO GROUND 
    1. Turn the ignition off.
    2. Disconnect the BCM C4/D harness connector.
    3. Check the continuity between ground and the (G31) AAT Sensor Signal circuit at the Ambient Air Temperature Sensor harness connector.

      Is there continuity between ground and the (G31) AAT Sensor Signal circuit?

      Yes 

      • Repair the short to ground in the (G31) AAT Sensor Signal circuit.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

      • Go To  4
  4. CHECK THE (G31) AAT SENSOR SIGNAL CIRCUIT FOR A SHORT TO THE (G931) SENSOR GROUND CIRCUIT 
    1. Check the continuity between the (G31) AAT Sensor Signal circuit and the (G931) Sensor Ground circuit at the Ambient Air Temperature Sensor harness connector.

      Is there continuity between the (G31) AAT Sensor Signal circuit and the (G931) Sensor Ground circuit?

      Yes 

      • Repair the short between the (G31) AAT Sensor Signal circuit and the (G931) Sensor Ground circuit.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

      • Go To  5
  5. CHECK RELATED HARNESS CONNECTIONS 
    1. Disconnect all BCM harness connectors.
    2. Disconnect all related in-line harness connections (if equipped).
    3. Disconnect the related component harness connectors.
    4. Inspect harness connectors, component connectors, and all male and female terminals for the following conditions:
      • Proper connector installation.
      • Damaged connector locks.
      • Corrosion.
      • Other signs of water intrusion.
      • Weather seal damage (if equipped).
      • Bent terminals.
      • Overheating due to a poor connection (terminal may be discolored due to excessive current draw).
      • Terminals that have been pushed back into the connector cavity.
      • Perform a terminal drag test on each connector terminal to verify proper terminal tension.

      Repair any conditions that are found.

    5. Reconnect all BCM harness connectors. Be certain that all harness connectors are fully seated and the connector locks are fully engaged.
    6. Reconnect all in-line harness connectors (if equipped). Be certain that all connectors are fully seated and the connector locks are fully engaged.
    7. Reconnect all related component harness connectors. Be certain that all connectors are fully seated and the connector locks are fully engaged.
    8. With the scan tool, erase DTCs.
    9. Using the recorded Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
    10. With the scan tool, read BCM DTCs.

      Did the DTC return?

      Yes 

      No 

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.