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Home › Saturn › 2007 › Relay 3.9 1 › Repair and Diagnosis › Body & Frame › Door Locks › Keyless Entry System And Remote Functions › Diagnostic Information and Procedures › DTC B3102 › Circuit/System Testing

Circuit/System Testing

  1. Ignition OFF, disconnect the harness connector at the RCDLR.
  2. Ignition ON, test for greater than 1 ohm between the keyless entry serial data circuit and ground.
    • If less than 1 ohm, test the keyless entry serial data circuit for a short to ground. If the circuit tests normal, replace the BCM.
  3. If all circuits test normal, test or replace the RCDLR.
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