Pcm Code E085, Throttle Body Service Required: Action

PCM will set Code E085 and turn on SERVICE ENGINE SOON light.

NOTE: Test number refers to number on diagnostic chart.

If engine stalls, continue test. Stall may be caused by carbon deposits on throttle valves and in throttle bores.

Fig 1: PCM Code E085, Schematic, Throttle Body Service Required

Courtesy of GENERAL MOTORS CORP.

Fig 2: PCM Code E085, Flow Chart, Throttle Body Service Required

Courtesy of GENERAL MOTORS CORP.

Fig 3: PCM Code E085

NOTE: When all diagnosis and repairs are complete, disconnect the battery negative cable for 10 seconds and reconnect.