Manufacturer Code Charts: 12: 12.9

NOTE: When the battery ground cable has been disconnected and reconnected, some abnormal drive symptoms may occur while the powertrain control module relearns its adaptive strategy. The vehicle may need to be driven 16 km (10 miles) or more to relearn the strategy.

- Key OFF.

- Verify all connectors are installed.

- Locate and disconnect the diagnostic connector from its mating half (Circuits 571 [BK/O] and 483 [R]).

- Key ON.

- Begin diagnostic trouble code flashout by grounding Circuit 571 (BK/O) for 1 second.

- Was DTC 16 or 12 retrieved?

YES -- DTC 16. Go to pinpoint test DT4. Drive Test 4 Code 4

YES -- DTC 12. If all steps are complete, go to pinpoint test ID. Intermittent Diagnosis Procedure If all steps are not complete, return to the last step completed and continue.

NO -- A different code. Go to pinpoint test for corresponding DTC. Intermittent Diagnosis Procedure