1. Keyless access system check.
Does the keyless access indicator come on for 2 seconds?
YES
Go to step 2.
NO
Do the gauge control module self-diagnostic function. If the indicator does not come on, replace the gauge control module.
2. Keyless access system check.
Does the indicator blink once, then stay off?
YES
Intermittent failure, the system is OK at this time.
NO
Go to step 3.
3. POWER CONTROL UNIT, BACKUP CONTROL UNIT, and KEYLESS ACCESS CONTROL UNIT DTCs check:
POWER CONTROL UNIT
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DTC (POWER CONTROL UNIT)
BACKUP CONTROL UNIT
.png)
DTC (BACKUP CONTROL UNIT)
KEYLESS ACCESS CONTROL UNIT
.png)
DTC (KEYLESS ACCESS CONTROL UNIT)
Are there any DTCs?
YES
Go to the indicated DTC troubleshooting.
NO
Replace the gauge control module.
Keyless Access System Symptom Troubleshooting - The Doors Will Not Unlock Or
Lock With The Door Outer Handle Touch Sensor Or Lock Switch, But Will Unlock Or
Lock With The Keyless Remote
Keyless Access System Symptom Troubleshooting - The Doors Will Not Unlock Or
Lock With The Keyless Remote, But Will Unlock Or Lock With The Door Outer
Handles
Keyless Access System Symptom Troubleshooting - The Engine Starts But Stalls
Immediately
Radiator Fan High Speed Circuit Troubleshooting
Exhaust Gas Hazard