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Symptom List:
P1651-MIL/DIAG LAMP VIA J1850 BUS IN FRAME RESPONSE ER-
ROR
P1651-MIL/DIAG LAMP VIA J1850 BUS STATUS ERROR
Test Note: All symptoms listed above are diagnosed using the same tests.
The title for the tests will be P1651-MIL/DIAG LAMP VIA
J1850 BUS IN FRAME RESPONSE ERROR.
When Monitored and Set Condition:
P1651-MIL/DIAG LAMP VIA J1850 BUS IN FRAME RESPONSE ERROR
When Monitored: With the ignition on.
Set Condition: The ECM does not receive a response from the instrument cluster when a
J1850 message to actuate the MIL is transmitted.
P1651-MIL/DIAG LAMP VIA J1850 BUS STATUS ERROR
When Monitored: With the ignition on.
Set Condition: The ECM MIL status does not agree with the instrument cluster MIL
status.
REFER TO COMMUNICATION SECTION
VERIFY INSTRUMENT CLUSTER COMMUNICATION
INTERMITTENT CONDITION
TEST
1
Turn the ignition on.
With the DRBIII , erase the ECM DTCs.
Cycle the ignition switch from OFF to ON.
Monitor the DRBIII for ECM DTCs.
Does the DRBIII display this DTC?
Yes → Go To 2
→ Go To 3
No
POSSIBLE CAUSES
ACTION
197
DRIVEABILITY - DIESEL
APPLICABILITY
All
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