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Diagnostic Trouble Code Definitions

DIAGNOSTIC TROUBLE CODE DEFINITIONS

DTC Description
EO12  No Distributor Reference Signal
EO13  Right O2 Sensor Not Ready
EO14  Shorted Coolant Sensor Circuit
EO15  Open Coolant Sensor Circuit
EO16  Charging System Voltage Out Of Range
EO17  Left O2 Sensor Not Ready
EO19  Shorted Fuel Pump Circuit
EO20  Open Fuel Pump Circuit
EO20-A  Fuel Fuse Blown
EO21  Shorted TPS Circuit
EO22  Open TPS Circuit
EO23  EST Circuit Problem
EO24  Speed Sensor Circuit Problem
EO26  Shorted Throttle Switch Circuit
EO27  Open Throttle Switch Circuit
EO28  Open 3Rd Gear Circuit
EO29  Shorted 3Rd Gear Circuit
EO30  ISC Circuit Problem
EO31  Shorted MAP Sensor Circuit
EO32  Open MAP Sensor Circuit
EO34  MAP Signal To High
EO37  Shorted MAT Sensor Circuit
EO38  Open MAT Sensor Circuit
EO39  VCC Engagement Problem
EO40  Open Power Steering Pressure Circuit
EO41  No Cam Sensor Signal
EO42  Left O2 Sensor Lean
EO43  Left O2 Sensor Rich
EO44  Right O2 Sensor Lean
EO45  Right O2 Sensor Rich
EO46  Left To Right Bank Fueling Imbalance
EO47  ECM To BCM Data Problem
EO48  EGR System Fault
EO49  Air Management System Fault
EO52  ECM Memory Reset
EO53  Distributor Signal Interrupted
EO55  TPS Out Of Adjustment
EO56  Open 4Th Gear Switch Circuit
EO57  Shorted 4Th Gear Switch Circuit
EO59  VCC Temp. Sensor Circuit
EO60  Cruise Not In Drive
EO61  Cruise Vent Solenoid Circuit
EO62  Cruise Vacuum Solenoid Circuit
EO63  Set Speed/Vehicle Speed Difference To High
EO64  Acceleration To High Cruise Engaged
EO65  Cruise Servo Sensor Failure
EO66  Cruise Engine RPM To High
EO67  Cruise Set/Coast Or Resume/Accel Switch Shorted