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Home >> Chevrolet >> 2004 >> Optra LS, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 2.0L (L34 GMDAT) - Diagnostic Information And Procedures >> Diagnostic Trouble Code (DTC) List

Diagnostic Trouble Code (DTC) List

NOTE: Turn the ignition OFF when installing or removing the ECM connectors and disconnecting or reconnecting the power to the ECM (battery cable, ECM pigtail, ECM fuse, jumper cables, etc.) in order to prevent internal ECM damage.

DTCs should be cleared after repairs have been completed. Some diagnostic tables will tell you to clear the codes before using the chart. This allows the engine control module (ECM) to set the DTC while going through the chart, which will help to find the cause of the problem more quickly.

DTC Code Diagnostic Procedure Module
P0106 DTC P0106 ECM
P0107 DTC P0107 ECM
P0108 DTC P0108 ECM
P0112 DTC P0112 ECM
P0113 DTC P0113 ECM
P0115 DTC P0115 ECM
P0117 DTC P0117 ECM
P0118 DTC P0118 ECM
P0122 DTC P0122 ECM
P0123 DTC P0123 ECM
P0125 DTC P0125 ECM
P0128 DTC P0128 ECM
P0131 DTC P0131 ECM
P0132 DTC P0132 ECM
P0133 DTC P0133 ECM
P0134 DTC P0134 ECM
P0135 DTC P0135 ECM
P0137 DTC P0137 ECM
P0138 DTC P0138 ECM
P0140 DTC P0140 ECM
P0141 DTC P0141 ECM
P0171 DTC P0171 ECM
P0172 DTC P0172 ECM
P0201 DTC P0201, P0202, P0203, or P0204 ECM
P0202 DTC P0201, P0202, P0203, or P0204 ECM
P0203 DTC P0201, P0202, P0203, or P0204 ECM
P0204 DTC P0201, P0202, P0203, or P0204 ECM
P0217 DTC P0217 ECM
P0300 DTC P0300 ECM
P0315 DTC P0315 ECM
P0317 DTC P0317 ECM
P0324 DTC P0324 ECM
P0327 DTC P0327 ECM
P0336 DTC P0336 ECM
P0337 DTC P0337 ECM
P0341 DTC P0341 ECM
P0342 DTC P0342 ECM
P0351 DTC P0351 or P0352 ECM
P0352 DTC P0351 or P0352 ECM
P0401 DTC P0401 ECM
P0402 DTC P0402 ECM
P0404 DTC P0404 ECM
P0405 DTC P0405 ECM
P0406 DTC P0406 ECM
P0420 DTC P0420 ECM
P0441 DTC P0441 ECM
P0442 DTC P0442 ECM
P0443 DTC P0443 ECM
P0449 DTC P0449 ECM
P0452 DTC P0452 ECM
P0453 DTC P0453 ECM
P0455 DTC P0455 ECM
P0456 DTC P0456 ECM
P0461 DTC P0461 in Instrument Panel, Gauges, and Console ECM
P0462 DTC P0462 (w/Delphi Controller) or DTC P0462 (wo/Delphi Controller) in Instrument Panel, Gauges, and Console ECM
P0463 DTC P0463 (w/Delphi Controller) or DTC P0463 (wo/Delphi Controller) in Instrument Panel, Gauges, and Console ECM
P0464 DTC P0464 in Instrument Panel, Gauges, and Console ECM
P0488 DTC P0488 ECM
P0502 DTC P0502 (wo/ZF4 HP 16) or DTC P0502 (w/ZF 4 HP 16) ECM
P0506 DTC P0506 or P0507 ECM
P0507 DTC P0506 or P0507 ECM
P0532 DTC P0532 or P0533 in HVAC Systems - Manual ECM
P0533 DTC P0532 or P0533 in HVAC Systems - Manual ECM
P0562 DTC P0562 (w/Delphi Controller) or DTC P0562 (wo/Delphi Controller) in Engine Electrical ECM
P0563 DTC P0563 (w/Delphi Controller) or DTC P0563 (wo/Delphi Controller) in Engine Electrical ECM
P0601 DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 ECM
P0602 DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 ECM
P0606 DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 ECM
P0645 DTC P0645 in HVAC Systems - Manual ECM
P0700 DTC P0700 ECM
P1106 DTC P1106 ECM
P1107 DTC P1107 ECM
P1111 DTC P1111 ECM
P1112 DTC P1112 ECM
P1114 DTC P1114 ECM
P1115 DTC P1115 ECM
P1121 DTC P1121 ECM
P1122 DTC P1122 ECM
P1391 DTC P1391 ECM
P1392 DTC P1392 ECM
P1393 DTC P1393 ECM
P1396 DTC P1396 ECM
P1397 DTC P1397 ECM
P2195 DTC P2195 ECM
P2196 DTC P2196 ECM
P2279 DTC P2279 ECM
P2422 DTC P2422 ECM
P2610 DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 ECM
UXXXX Scan Tool Does Not Communicate with Component in Data Link Communications ECM
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