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Diagnostic Trouble Code Reference Chart

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 
E/F Series With MAP Sensor Manifold Absolute Pressure Sensor Circuit Voltage Higher Or Lower Than Expected DF1 DF7 DF90
All Others Barometric Pressure Sensor Circuit Voltage Higher Or Lower Than Expected DF1 DF1 DF90
128  Manifold Absolute Pressure Sensor Vacuum Hose Damaged/Disconnected - - DF11
129
With MAF Sensor  Mass Air Flow Change During Dynamic Response Test KOER - DC13 -
With MAP Sensor  Insufficient Manifold Absolute Pressure During Dynamic Response Test KOER - DF10 -
136  System Indicates Lean (Bank 2) - H1 -
137  System Indicates Rich (Bank 2) - H1 -
139  No Heated Oxygen Sensor (HO2S-2) Switches Detected (Bank 2) - - H1
141  Fuel System Indicates Lean - - H1
144  No Heated Oxygen Sensor (HO2S-1) Switches Detected (Bank 1) - - 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, Heated Oxygen Sensor (HO2S-1) Unable To Switch (Bank 1) - - H1
172  Lack Of Heated Oxygen Sensor (HO2S-1) Switches, Indicates Lean (Bank 1) - H1 H1
173  Lack Of Heated Oxygen Sensor (HO2S-1) Switches, Indicates Rich (Bank 1) - H1 H1
174  Mass Air Flow/Manifold Absolute Pressure Sensor - - H1
175  Fuel System At Adaptive Limits, Heated Oxygen Sensor (HO2S-2) Unable To Switch (Bank 2) - - H1
176  Lack Of Heated Oxygen Sensor (HO2S-2) Switches, Indicates Lean (Bank 2) - - H1
177  Lack Of Heated Oxygen Sensor (HO2S-2) Switches, Indicates Rich (Bank 2) - - H1
178  Mass Air Flow/Manifold Absolute Pressure Sensor - - 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
194  Cylinder Balance - Multiple Injectors - - HA5
195  Cylinder Balance - Multiple Injectors - - HA5
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 -
214 Cylinder Identification Circuit Failure - - DR1
215 Coil 1 Primary Circuit Failure - - (1)
216 Coil 2 Primary Circuit Failure - - (1)
217 Coil 3 Primary Circuit Failure - - (1)
218 Loss Of Ignition Diagnostic Monitor Signal (Left Side) - - (1)
222 Loss Of Ignition Diagnostic Monitor Signal (Right Side) - - (1)
224 Coil 1/2/3/4 Primary Circuit Failure - - (1)
225  Knock Not Sensed During Dynamic Response Test - DG1 -
226 Ignition Diagnostic Monitor Signal Not Received NC2 - -
232 Coil 1/2/3/4 Primary Circuit Failure - - (1)
238 Coil 4 Primary Circuit Failure - - (1)
244 Coil 4 Primary Circuit Failure - DR1 -
311  Secondary Air Injection System Inoperative During KOER (Bank 1) - KC1 -
312  Secondary Air Injection Misdirected During KOER - KC1 -
313  Secondary Air Injection Not Bypassed During KOER - KC1 -
314  Secondary Air Injection System Inoperative During KOER (Bank 2) - KC1 -
326  Exhaust Gas Recirculation Circuit Voltage Lower Than Expected - DL22 -
327
With SFI - DPFE Sensor  Exhaust Gas Recirculation Circuit Below Minimum Voltage DL1 DL22 DL90
With MFI - EVP Sensor Exhaust Gas Recirculation Circuit Below Minimum Voltage DN 1 DN 1 DL 90
328  Exhaust Gas Recirculation Closed Valve Voltage Lower Than Expected DN25 DN25 DN90
332
With SFI - DPFE Sensor  Insufficient Exhaust Gas Recirculation Flow - DL30 DL90
With MFI - EVP Sensor  Insufficient Exhaust Gas Recirculation Flow - DN40 DN110
334  Exhaust Gas Recirculation Closed Valve Voltage Higher Than Expected DN20 DN20 DN115
335  Exhaust Gas Recirculation Sensor Voltage Higher/Lower Than Expected DL80 - -
336  Exhaust Pressure High/Exhaust Gas Recirculation (DPFE) Circuit Voltage Higher Than Expected - DL50 DL90
337
With SFI - DPFE Sensor  Exhaust Gas Recirculation Circuit Above Maximum Voltage DL5 DL50 DL90
With MFI - EVP Sensor Exhaust Gas Recirculation Circuit Above Maximum Voltage DL 5 DL 5 DN 90
338  Engine Coolant Temperature Lower Than Expected - - DA100
339  Engine Coolant Temperature Higher Than Expected - - DA101
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
512  Powertrain Control Module Keep Alive Memory Test Failure - - QB1
513  Powertrain Control Module Internal Voltage Failure (KOEO) QD1 QD1 QD1
519  Power Steering Pressure Switch Circuit Open FF1 - -
521  Power Steering Pressure Switch Circuit Did Not Change States - FF5 -
522  Vehicle Not In PARK Or NEUTRAL During KOEO TD1 - -
525  Vehicle In Gear / A/C On TA1 - TA1
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 - FD1 FD90
538  Insufficient RPM Change - M1 -
539  A/C On / Defrost On During Self-Test 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 - -
558
With SFI - DPFE Sensor  Exhaust Gas Recirculation Vacuum Regulator Circuit Failure DL11 - -
With MFI - EVP Sensor Exhaust Gas Recirculation Vacuum Regulator Circuit Failure DL 10 DL 5 DN 90
559  Air Conditioning On Relay Circuit Failure KM60 - -
565
With SFI  Canister Purge Circuit Failure KB1 - -
All Others  Canister Purge Circuit Failure KD6 - -
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 TC 10 - TG 90
625 Electronic Pressure Control Driver Open In Powertrain Control Module TC 10 - TG 90
626  Coast Clutch Solenoid Circuit Failure TC1 - -
627  Torque Converter Clutch Solenoid Circuit Failure TC1 - -
628  Excessive Converter Clutch Slippage - - TG90
629 Torque Converter Clutch Solenoid Circuit Failure TC 1 - TG 90
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 TD1 - TD1
636  Transmission Fluid Temperature Higher/Lower Than Expected TE1 TE1 -
637  Transmission Fluid Temperature Sensor Circuit Above Maximum Voltage TE10 - TE90
638  Transmission Fluid Temperature Sensor Circuit Below Minimum Voltage TE20 - TE90
639  Insufficient Input From Vehicle Speed Sensor To Powertrain Control Module - TF1 TF90
641  Shift Solenoid 3 Circuit Failure TC1 - -
643  Coast Clutch Solenoid Circuit Failure TC20 - TC30
645  Incorrect Gear Ratio - 1st Gear - - TG90
646  Incorrect Gear Ratio - 2nd Gear - - TG90
647  Incorrect Gear Ratio - 3rd Gear - - TG90
648  Incorrect Gear Ratio - 4th Gear - - TG90
649  Electronic Pressure Control Higher Or Lower Than Expected - - TG90
651  Electronic Pressure Control Circuit Failure - - TG90
652  Torque Converter Clutch Solenoid Circuit Failure TC1 - -
653  Transmission Control Switch Did Not Change States - TB2 -
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
657  Transmission Fluid Temperature OverTemperature - - TE100
659  High Vehicle Speed In Park - - TG90
667 Transmission Range Circuit Voltage Below Minimum Voltage TD 1 TD 1 TG 90
668 Transmission Range Circuit Voltage Above Maximum Voltage TD 1 TD 1 TG 90
675  Transmission Range Sensor Circuit Voltage Out Of Range     TG90
676 Transmission Fault (2) (2) (2)
677 Transmission Fault (2) (2) (2)
691  4X4 Low Switch Open Or Short Circuit - - TB1
692 Transmission State Does Not Match Calculated Ratio (2) (2) (2)
998 Hard Fault Present - FMEM Mode FMEM - -
(1) Refer to appropriate SYSTEM/ COMPONENT TESTS article.
(2) Check transmission for mechanical problem.
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