Trouble Code Charts: Notes

NOTE: This article may refer to the on-board computer as either Electronic Control Module (ECM) or Powertrain Control Module-Engine (PCME).

NOTE: See PIN VOLTAGE CHARTS article in the ENGINE PERFORMANCE section to identify ECU connector terminals.

NOTE: Trouble Codes 6, 12, 55, 57, 58, 60, 61, 62 and 63 are automatic transmission-related problems. If codes are present, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.