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Diagnostic Trouble Code Reference Charts

DTC REFERENCE CHART

DTC Description Circuit Test/Step: KOEO Circuit Test/Step: KOER Circuit Test/Step: CONT.
No Code  No Codes/Codes Not Listed QA1 QA1 QA1
111 System Pass Pass Pass Pass
112  Intake Air Temperature Sensor Circuit Low Input DA20 - DA90
113  Intake Air Temperature Sensor Circuit High Input DA10 - DA90
114  Intake Air Temperature Sensor Circuit Voltage Higher Or Lower Than Expected DA1 DA1 -
116  Engine Coolant Temperature Sensor Circuit Voltage Higher Or Lower Than Expected DA1 DA1 -
117  Engine Coolant Temperature Sensor Circuit Low Input DA20 - DA90
118  Engine Coolant Temperature Sensor Circuit High Input DA10 - DA90
121 Throttle Position Sensor Fault DH  2 DH  1 G  1
122  Throttle Position Sensor Circuit Low Input DH10 - DH94
123  Throttle Position Sensor Circuit High Input DH3 - DH90
124  Throttle Position Sensor Voltage Higher Than Expected - - G1
125  Throttle Position Sensor Voltage Lower Than Expected - - G1
126  Manifold Absolute Pressure/Barometric Pressure Sensor Circuit Voltage Higher Or Lower Than Expected DF1 DF1 DF90
128  Manifold Absolute Pressure Sensor Vacuum Hose Damaged/Disconnected - - DF11
129  Insufficient Manifold Absolute Pressure/Mass Air Flow Change During Dynamic Response Test KOER - DF10 -
136  System Indicates Lean (Bank 2) - H1 -
137  System Indicates Rich (Bank 2) - H1 -
157  Mass Air Flow Sensor Circuit Low Input - - DC10
158  Mass Air Flow Sensor Circuit High Input DC22 - DC22
159  Mass Air Flow Sensor Circuit Voltage Higher Or Lower Than Expected DC1 DC1 -
167  Insufficient Throttle Position Change During Dynamic Response Test KOER - DH20 -
171  Fuel System At Adaptive Limits (Bank 1) - - H1
172  System Indicates Lean (Bank 1) - H1 H1
173  System Indicates Rich (Bank 1) - H1 H1
174  Fuel Control - - H1
175  Fuel System At Adaptive Limits (Bank 2) - - H1
176  System Indicates Lean (Bank 2) - - H1
177  System Indicates Rich (Bank 2) - - H1
178  Fuel Control - - H1
179  Fuel System At Lean Adaptive Limit At Part Throttle, System Rich (Bank 1) - - HA1
181  Fuel System At Rich Adaptive Limit At Part Throttle, System Lean (Bank 1) - - HA1
184  Mass Air Flow Sensor Voltage Higher Than Expected - - G7
185  Mass Air Flow Sensor Voltage Lower Than Expected - - G7
186  Injector Pulsewidth Higher Than Expected - - G9
187  Injector Pulsewidth Lower Than Expected - - G7
188  Fuel System At Lean Adaptive Limit At Part Throttle, System Rich (Bank 2) - - HA1
189  Fuel System At Rich Adaptive Limit At Part Throttle, System Lean (Bank 2) - - HA1
211  Profile Ignition Pickup Circuit Failure - - NA1
212  Loss Of Ignition Diagnostic Monitor Input To PCM/SPOUT Circuit Grounded - - NA2
213  SPOUT Circuit Open - PA1 -
225  Knock Not Sensed During Dynamic Response Test - DG1 -
311  Secondary Air Injection System Inoperative During KOER - KC1 -
312  Secondary Air Injection Misdirected During KOER - KC1 -
313  Secondary Air Injection Not Bypassed During KOER - KC1 -
341  Octane Adjust Service Pin Open KP1 - -
411  Cannot Control RPM During KEOR Low RPM Check - KE15 -
412  Cannot Control RPM During KEOR High RPM Check - KE1 -
452  Insufficient Input From Vehicle Speed Sensor To Powertrain Control Module - - DS1
511 Powertrain Control Module Read Only Memory Test Failure (KOEO) Replace PCM Replace PCM Replace PCM
512  Powertrain Control Module Keep Alive Memory Test Failure - - QB1
513  Powertrain Control Module Internal Voltage Failure (KOEO) QD1 QD1 QD1
522  Vehicle Not In PARK Or NEUTRAL During KOEO TD1 - -
528  Clutch Pedal Position Switch Circuit Failure - - TA1
529  Data Communication Link Or Powertrain Control Module Circuit Failure - - ML25
533  Data Communication Link Or Electronic Instrument Cluster Circuit Failure - - ML25
536  Brake On/Off Circuit Failure / Not Actuated During KOER - FD1 FD90
538  Insufficient RPM Change Or Invalid Cylinder Balance Test - M1 -
539  A/C On / Defrost On During KOEO KM40 KM40 -
542  Fuel Pump Circuit Open - Powertrain Control Module To Motor Ground J10 - J90
543  Fuel Pump Circuit Open - Battery To Powertrain Control Module J20 - J93
551 Idle Air Control Circuit Failure KT1 - -
552  Secondary Air Injection Bypass Circuit Failure KC9 - -
553  Secondary Air Injection Diverter Circuit Failure KC9 - -
556  Fuel Pump Relay Primary Circuit Failure J1 - -
565  Canister Purge Circuit Failure KB1 - -
566 3-4 Shift Solenoid Circuit Failure TC1 - -
569  Auxiliary Canister Purge Circuit Failure KD6 - -
617 1-2 Shift Error - - TG90
618 2-3 Shift Error - - TG90
619 3-4 Shift Error - - TG90
621 Shift Solenoid 1 Circuit Failure TC1 - -
622 Shift Solenoid 2 Circuit Failure TC1 - -
623  4X4 Low & Transmission Control Switch TB3 - -
624 Electronic Pressure Control Circuit Failure TC10 - TG90
625 Electronic Pressure Control Driver Open In Powertrain Control Module TC10 - TG90
626 Coast Clutch Solenoid Circuit Failure TC1 - -
628 Excessive Converter Clutch Slippage - - TG90
629 Torque Converter Clutch Solenoid Circuit Failure TC1 - TG90
631  Transmission Control Indicator Lamp Circuit Failure TB3 - -
632 Transmission Control Switch Circuit Did Not Change States During KOER - TB  2 NA  2
633  4X4 Low Switch Closed During KOEO TB1 - -
634 Transmission Range Voltage Higher/Lower Than Expected TD  1 - TG90
641 Shift Solenoid 3 Circuit Failure TC1 - -
643 Coast Clutch Solenoid Circuit Failure TC20 - TC30
652 Torque Converter Clutch Solenoid Circuit Failure TC1 - -
654  Transmission Range Sensor Indicating Not In PARK During Self-Test TD1 - -
655  Transmission Range Sensor Indicating Not In NEUTRAL During Self-Test TD1 - -
656 Torque Converter Clutch Slippage - - TG90
667 Transmission Range Circuit Voltage Below Minimum Voltage TD  1 TD  1 TG90
668 Transmission Range Circuit Voltage Above Maximum Voltage TD  1 TD  1 TG90
676 Transmission Fault (1) (1) (1)
677 Transmission Fault (1) (1) (1)
691  4X4 Low Switch Open Or Short Circuit - - TB1
692 Transmission State Does Not Match Calculated Ratio (1) (1) (1)
998 Hard Fault Present - FMEM Mode FMEM - -
(1) Check transmission for mechanical problem.
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