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Diagnostic Procedure

WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC PROCEDURE - NO PCM MESSAGES RECEIVED

TEST ACTION APPLICABILITY
1 With the DRBIII®, erase DTCs.
Cycle the ignition and wait approximately 1 minute.
With the DRBIII®, read DTCs.
Did this DTC reset?
Yes --> Go To 2
No --> The condition is not present at this time. Monitor DRBIII® parameters while wiggling the related wire harness. Refer to any Technical Service Bulletins that may apply. Visually inspect the related wiring harness and connector terminals.
Perform BODY VERIFICATION TEST - VER 1  .
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2 Turn the ignition on.
With the DRBIII®, enter Body Computer, System Tests, then PCM Monitor.
Does the DRBIII® display PCM Active on the Bus?
Yes --> Replace the EVIC in accordance with the Service Information.
Perform BODY VERIFICATION TEST - VER 1  .
No --> Refer to the COMMUNICATION CATEGORY  and perform the appropriate symptom.
Perform BODY VERIFICATION TEST - VER 1  .
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