RKE Module Communication Link

RKE MODULE COMMUNICATION LINK

WHEN MONITORED
Whenever battery power is applied the Instrument Cluster.

SET CONDITION
The Instrument Cluster has learned that the vehicle is equipped with Remote Keyless Entry, but then is unable to communicate with that module, this code will set. The Instrument Cluster provides power for the RKE module and communicates by the PCI bus.

POSSIBLE CAUSES
- RKE module open
- Instrument cluster

Diagnostic Test

1. DTC PRESENT




Turn the ignition on.
With the DRBIII(R), record and erase DTC's.
With the DRBIII(R), read DTC's.
Operate the door locks several times from the RKE transmitter while observing the DRBIII(R).

Q: Does the DRBIII(R) display RKE MODULE COMM LINK?

YES: Go To 2
NO: Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

2. RKE MODULE OPEN
Turn the ignition off.
Remove the Instrument Cluster.
Replace the RKE module with a known good module.
Connect all Cluster connectors.
With the DRBIII(R), Program the RKE transmitter.
Operate the door locks using the RKE transmitter.

Q: Do the door locks respond correctly with the RKE transmitter?

YES: Replace the original RKE module. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Replace the Instrument Cluster. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test