Operation CHARM: Car repair manuals for everyone.

Remote Keyless Entry Inoperative

REMOTE KEYLESS ENTRY INOPERATIVE

POSSIBLE CAUSES
- Door lock system problem
- RKE transmitter battery voltage low
- RKE transmitter not programmed
- RKE transmitter defective
- Body control module
- SKREEM module - RKE inoperative

1. DOOR LOCKS SYSTEM CHECK
Operate the door locks from both of the door lock switches.

Q: Did the door locks respond properly to both of the door lock switches?

YES: Go To 2
NO: Refer to Power Door Locks/RKE in the Symptom List for the appropriate symptom.

2. 9001 TESTER AVAILABLE

NOTE: Ensure there is communication between the SKREEM and the BODY CONTROL MODULE before proceeding.

Q: Do you have access to the Miller Special Tool "9001 RF DETECTOR"?

NO: Go To 3
YES: Go To 8

3. TEST BATTERIES WITH VOLTMETER
Using a voltmeter, test the Batteries in the RKE Transmitter.

Q: Is the voltage above 3.0 volts in each battery?

YES: Go To 4
NO: Replace the Batteries.
Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

4. CHECK BODY CONTROL MODULE
With the scan tool actuate the door LOCK and then door UNLOCK relays.

Q: Do the door locks operate using the scan tool?

YES: Go To 5
NO: Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

5. RKE TRANSMITTER NOT RESPONDING
With the scan tool select THEFT ALARM, SKIM, MONITORS and observe the "FOB No." and "FOB Button".
Press the LOCK button and then the UNLOCK button on the Transmitter.

Q: Does the scan tool display: "UNLOCK", "LOCK" and the "FOB Number"?

YES: Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Go To 6

6. PROGRAM RKE TRANSMITTER WITH THE SCAN TOOL
With the scan tool select THEFT ALARM, SKIM, then PROGRAM NEW KEY. Follow instructions on the screen.
Exit PROGRAM NEW KEY. Try the Door Locks using the Transmitter.

Q: Did the Door Locks respond properly to the Transmitter commands?

YES: Repair complete. Using the scan tool, program other Transmitters used with this Vehicle.
Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Go To 7

7. USE KNOWN GOOD TRANSMITTER
Secure a known good Transmitter.
Using the scan tool select THEFT ALARM, SKIM then PROGRAM NEW KEY and follow the instructions on the scan tool screen.
Exit PROGRAM new key. Try the Door Locks using the Transmitter.

NOTE: When repairs are complete ensure all transmitters used with this vehicle are programmed.

Q: Did the Door Locks respond properly to the Transmitter commands?

YES: Replace the Transmitter. Program all Transmitters that will be used with this Vehicle.
Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Replace the Sentry Key Remote Entry Module.
Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

8. TEST TRANSMITTER WITH TESTER
Using the 9001 RF Detector, follow the instructions on the back of the tester and test the transmitter several times.

Q: Does the signal strength measure (STRONG(?

YES: Go To 9
NO: Check and replace the batteries if they are under 3.0 volts each and retest the transmitter. If the batteries are okay, replace the transmitter.
Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

9. PROGRAM RKE TRANSMITTER WITH THE SCAN TOOL
With the scan tool, select THEFT ALARM, SKIM then PROGRAM NEW KEY and follow the instructions on the screen.
Exit PROGRAM NEW KEY.
Activate the Door Locks using the RKE Transmitter.

Q: Did the door locks respond properly to the RKE transmitter commands?

YES: Repair complete.
Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Replace the Sentry Key Remote Entry Module.
Perform BODY VERIFICATION TEST - VER 1. Body Verification Test