Dodge 2004 Neon SX2 Diagnostic Manual page 645

TRANSPONDER COMMUNICATION FAILURE —
TEST
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
→ Go To 7
No
2 Are there multiple vehicle ignition keys available?
Yes → Go To 3
→ Go To 4
No
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
→ Replace the ignition key(s) that cause the SKIM DTC.
No
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
→ Test Complete.
No
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
→ Test Complete.
No
ACTION
accordance with the Service Information.
Perform SKIS VERIFICATION.
Perform SKIS VERIFICATION.
SENTRY KEY IMMOBILIZER
Continued
309
APPLICABILITY
All
All
All
All
All