B1A35-UNIDENTIFIED KEY COMMUNICATION ERROR

For a complete wiring diagram Refer to Section 8W.

When Monitored:
At ignition on and during Key Programming Mode.
Set Condition:
When the SKREEM does not receive a transponder response after 8 consecutive transponder read attempts within 2.0 seconds.

Possible Causes

MULTIPLE KEY OPERATION

IGNITION KEY

SKREEM

INTERMITTENT WIRING HARNESS PROBLEM

Diagnostic Test

1.DETERMINING IF DTC IS CURRENT

NOTE: Perform the following test several times to ensure the DTC is current.

Does the scan tool display the DTC that was previously erased?

Yes

Go To 2

Go To 6

2.CHECKING FOR MULTIPLE KEYS

Are there multiple vehicle ignition keys available?

Yes

Go To 3

Go To 4

3.MULTIPLE KEY OPERATION

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.

Is the DTC present for all ignition keys?

Yes

Replace and program the Sentry Key Remote Entry Module in accordance with the Service Information.
Perform SKREEM VERIFICATION TEST.

Replace the ignition key(s) that cause the SKIM DTC.
Perform SKREEM VERIFICATION TEST.

4.REPROGRAM KEY

Does the DTC set again?

Yes

Go To 5

Test complete.

5.PROGRAM NEW IGNITION KEY

Does the DTC set again?

Yes

Replace and program the Sentry Key Remote Entry Module in accordance with the Service Information.
Perform SKREEM VERIFICATION TEST.

Test complete.

6.INTERMITTENT WIRING HARNESS PROBLEM

NOTE: Check the following items:

Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or partially broken wires.
Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.
Refer to any Technical Service Bulletins (TSB) that may apply.

Were any problems found?

Yes

Repair wiring harness/connectors as necessary.
Perform SKREEM VERIFICATION TEST.

Test Complete.