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Dodge Durango
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Power Lock Systems » Diagnosis and testing
Power lock system and remote keyless entry system

As a preliminary diagnosis for vehicles with the power lock and Remote Keyless Entry (RKE) systems (high-line version of the Central Timer Module), note the system operation while you actuate both the Lock and Unlock functions with the power lock switches and the RKE transmitter. Then, proceed as follows:

  • If the driver side front door power lock motor fails to unlock following a single press of the RKE transmitter Unlock button, test the driver unlock relay. See Relays in the Diagnosis and Testing section of this group for the procedures.
  • If the entire power lock system fails to function with either the power lock switches or the RKE transmitter, check the fuses in the junction block.
  • If the entire power lock system fails to function with either the power lock switches or the RKE transmitter, check the fuses in the junction block.
  • If the entire power lock system functions with the RKE transmitter, but not with one or both of the power lock switches, see Power Lock Switch in the Diagnosis and Testing section of this group.
  • If one power lock motor fails to operate with both of the power lock switches and/or the RKE transmitter, see Power Lock Motor in the Diagnosis and Testing section of this group.

If the problem being diagnosed involves only the RKE horn chirp or panic mode features, test the horn relay and/or headlamp relay. See Relays in the Diagnosis and Testing section of this group for the procedures.

If both of these relays check OK, further diagnosis should be performed using a DRB scan tool as described in the proper Diagnostic Procedures manual.

    More about «Diagnosis and testing»:

    Power lock system and remote keyless entry system

    Power lock switch

    Central timer module

    Power lock motor

    Remote keyless entry transmitter

    Relays

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