Symptom:
P1602-PCM NOT PROGRAMMED
When Monitored and Set Condition:
P1602-PCM NOT PROGRAMMED
When Monitored: Ignition on.
Set Condition: The PCM has not been programmed.
POSSIBLE CAUSES
PCM NOT PROGRAMMED
VERIFY PCM PROGRAMMING
PCM
TEST ACTION APPLICABILITY
1 Ignition on, engine not running.
With the DRBIIIt, erase DTCs.
With the DRBIIIt program the PCM.
Start the engine.
Allow the engine to reach normal operating temperature.
With the DRBIIIt, read DTCs.
Does the DTC reset?
All
Yes → Go To 2
No → The PCM has been successfully programmed. Test is complete.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
2 NOTE: The ignition switch must be left in the off position for a minimum of
10 seconds.
Cycle the ignition switch to the off position and then back to run.
Attempt to program the PCM.
Start the vehicle and allow it to reach normal operating temperatures.
With the DRBIIIt, read DTCs.
Does the DTC reset?
All
Yes → Replace and program the Powertrain Control Module in accor-
dance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
No → The PCM has been successfully programmed into the PCM. Test
is complete.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
262
DRIVEABILITY - NGC
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