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Home >> Chrysler >> 2001 >> Sebring LX, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 13 (Powertrain Diagnostic Procedures - Except Coupe) >> Diagnostic Information And Procedures >> Sentry Key Immobilizer - Symptoms >> Symptom List: TRANSPONDER COMMUNICATION FAILURE; TRANSPONDER CYCLIC REDUNDANCY CHECK (CRC) FAILURE; TRANSPONDER ID MISMATCH; TRANSPONDER RESPONSE MISMATCH >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2005 Dodge Stratus and 2005 Chrysler Sebring. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC PROCEDURES - TRANSPONDER COMMUNICATION FAILURE

TEST ACTION APPLICABILITY
1 With the DRBIII®, read and record the SKIM DTCs.
With the DRBIII®, erase the SKIM DTCs.
NOTE: Perform the following test several times to ensure the DTC is current.

Turn the ignition off.
Wait 10 seconds.
Turn the ignition on.
With the DRBIII®, read the SKIM DTCs.
Does the DRBIII® display the DTC that was previously erased?
Yes --> Go To 2
No --> Go To 7		 All
2 Are there multiple vehicle ignition keys available?
Yes --> Go To 3
No --> Go To 4		 All
3
NOTE: Perform the following steps using one of the vehicle ignition keys. When finished, repeat the procedure using each of the other vehicle keys one at a time.
With the DRBIII®, erase the SKIM DTCs.Turn the ignition off.Wait 10 seconds.Turn the ignition on.With the DRBIII®, read the SKIM DTCs.Is the DTC present for all ignition keys?Yes --> Replace and program the Sentry Key Immobilizer Module in accordance with the Service Information.Perform SKIS VERIFICATION .No --> Replace the ignition key(s) that cause the SKIM DTC.Perform SKIS VERIFICATION .		 All
4 With the DRBIII®, attempt to reprogram the ignition keys to the SKIM.
With the DRBIII®, erase the SKIM DTCs.
Wait 10 seconds.
Turn the ignition on.
With the DRBIII®, read the SKIM DTCs.
Does the DTC set again?
Yes --> Go To 5
No --> Test Complete.		 All
5 Replace the ignition key with a new key.
With the DRBIII®, program the new ignition key to the SKIM.
With the DRBIII®, erase the SKIM DTCs.
Turn the ignition off.
Wait 10 seconds.
Turn the ignition on.
With the DRBIII®, read the SKIM DTCs.
Does the DTC set again?
Yes --> Go To 6
No --> Test Complete.		 All
6 If there are no possible causes remaining, view repair.
Repair
Replace and program the Sentry Key Immobilizer Module in accordance with the Service Information.
Perform SKIS VERIFICATION .		 All
7 Turn the ignition off.
NOTE: Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or partially broken wires.
NOTE: Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.
NOTE: Refer to any Technical Service Bulletins (TSBs) that may apply. Were any problems found?

Yes --> Repair wiring harness/connectors as necessary.
Perform SKIS VERIFICATION .
No --> Test Complete.		 All
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