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Home >> Honda >> 1996 >> Passport DX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 2.6L 4-CYL >> Self-Diagnostic System >> Diagnostic Trouble Code Definitions
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Diagnostic Trouble Code Definitions

DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

DTC/Type Component/System Most Likely Cause
P0106 /A MAP Sensor Circuit Range/Performance Problem MAP Sensor
P0107 /A MAP Sensor Circuit Low Frequency Open/Short, MAP Sensor Or PCM
P0108 /A MAP Sensor Circuit High Frequency Open, MAP Sensor Or PCM
P0112 /A IAT Sensor Circuit Low Frequency Short, IAT Sensor Or PCM
P0113 /A IAT Sensor Circuit High Frequency Open, IAT Sensor Or PCM
P0117 /A ECT Sensor Circuit Low Frequency Short, ECT Sensor Or PCM
P0118 /A ECT Sensor Circuit High Frequency Open, ECT Sensor Or PCM
P0121 /A TP Sensor Circuit Range/Performance Problem TP Sensor Or PCM
P0122 /A TP Sensor Circuit Low Frequency Open/Short, TP Sensor Or PCM
P0123 /A TP Sensor Circuit High Frequency Open Circuit, TP Sensor Or PCM
P0125 /B ECT Sensor Circuit Excessive Warm-Up Time To Closed Loop Cooling System, ECT Or PCM
P0131 /A Bank 1 Primary HO2S Circuit Low Voltage Short, HO2S Sensor, Fuel Supply Or PCM
P0132 /A Bank 1 Primary HO2S Circuit High Voltage Open, HO2S Sensor Or PCM
P0133 /B Bank 1 Primary HO2S Slow Response HO2S Sensor Or Exhaust System
P0134 /A Bank 1 Primary HO2S Insufficient Activity Poor Connections, HO2S Sensor Or PCM
P0135 /B Bank 1 Primary HO2S Heater Circuit Malfunction Open/Short Or PCM
P0137 /A Bank 1 Secondary HO2S Circuit Low Voltage Short, HO2S Or PCM
P0138 /A Bank 1 Secondary HO2S Circuit High Voltage Open, HO2S Or PCM
P0140 /A Bank 1 Secondary HO2S Ckt. Insufficient Activity Short In Circuit, HO2S Or PCM
P0141 /B Bank 1 Secondary HO2S Circuit Malfunction Open/Short In Heater Circuit Or PCM
P0171 /B Bank 1 System Too Lean Fuel Supply/Contamination, Primary HO2S, MAP, Leaking Exhaust Or Valve Clearance
P0172 /B Bank 1 System Too Rich Fuel Supply, Primary HO2S, MAP Sensor, Fuel Contamination Or Valve Clearance
P0201 /A Injector No. 1 Circuit Malfunction Open/Short Or PCM
P0202 /A Injector No. 2 Circuit Malfunction Open/Short Or PCM
P0203 /A Injector No. 3 Circuit Malfunction Open/Short Or PCM
P0204 /A Injector No. 4 Circuit Malfunction Open/Short Or PCM
P0300 /B Engine Misfire Detected Ignition System, Fuel Supply, MAP Sensor, EGR System, IAC Valve Or Contaminated Fuel
P0336 /B CKP Sensor Circuit 58X Reference Signal CKP Sensor, Valve Timing Or Timing Belt Skipped Teeth
P0337 /B CKP Sensor Circuit Low Frequency Open/Short, CKP Sensor Or PCM
P0341 /A CMP Sensor Circuit Performance Open/Short, CMP Sensor
P0342 /A CMP Sensor Low Frequency CMP Sensor Or PCM
P0351 /A Ignition Control Circuit Ignition Control Module (ICM)
P0401 /A Insufficient EGR Flow Detected EGR Valve Or Line
P0420 /A Bank 1 Catalyst System Efficiency Below Threshold Catalytic Converter Or Secondary HO2S
P0441 /B Evaporative Emission Control System Incorrect Purge Flow EVAP Canister, Vacuum Switch, Purge Solenoid Or PCM
P0502 /A VSS Circuit Low Frequency Open/Short, VSS Or PCM
P0506 /B Idle Control System Low RPM IAC Valve Or PCM
P0507 /B Idle Control System High RPM IAC Valve Or PCM
P0562 /D System Voltage Low Open Or PCM
P0563 /D System Voltage High PCM
P0601 /A Powertrain Control Module (PCM) Memory Check Sum Error PCM
P0700/D Automatic Transaxle Miscellaneous
P0705/D Transmission Range Sensor Circuit Malfunction Miscellaneous
P0706/D Transmission Range Sensor Rationality Miscellaneous
P0712/D Transmission Fluid Temperature Low Voltage Miscellaneous
P0713/D Transmission Fluid Temperature High Voltage Miscellaneous
P0715/D Transmission Jerks Hard When Shifting (A/T) Open/Short In Mainshaft Speed Sensor Circuit
P0715/D Transmission Jerks Hard When Shifting (A/T) Or Faulty Mainshaft Speed Sensor
P0719/D Brake Switch Circuit Low Miscellaneous
P0720/D Lock-up Clutch Does Not Engage (A/T) Open Or Short In Countershaft Speed Sensor Circuit
P0720/D Lock-up Clutch Does Not Engage (A/T) Or Faulty Countershaft Speed Sensor
P0722/A Output Speed Sensor Circuit No Signal Miscellaneous
P0723/A Output speed Sensor Circuit Intermittent Signal Miscellaneous
P0724/D Brake Switch Circuit High Miscellaneous
P0730/C Won't Shift Between 1/2nd 2/3rd, 2/4th. Stuck in 1st Or 4th gears (A/T) Faulty Shift Control System
P0740 Lock-up clutch does not engage/disengage Unstable Idle Speed (A/T) Faulty Lock-up Control system
P0742/A Torque Converter Clutch Circuit Stuck On Miscellaneous
P0748/C Transmission Pressure Control Solenoid Electrical Circuit Fault Miscellaneous
P0751/B Transmission Shift Solenoid "A Performance Or Stuck Off (A/T Only) Miscellaneous
P0753/A Transmission Shift Solenoid "A" - Electrical Circuit Fault Open/Short In Ckt. Or Faulty Solenoid
P0756/B Transmission Shift Solenoid "B" Performance Stuck Off (A/T Only) Miscellaneous
P0758/A Transmission Shift Solenoid "B" - Electrical Circuit Fault Open/Short In Circuit Or Faulty Solenoid
P1106 /D MAP Circuit Intermittent High Voltage Open/Short In Circuit
P1107 /D MAP/Barometric Pressure Circuit Low Voltage Intermittent Open/Short Or PCM
P1111 /D IAT Circuit Intermittent High Voltage Poor Ground/Open Circuit
P1112 /D IAT Circuit Intermittent Low Voltage Short In Circuit
P1114 /D ECT Circuit Intermittent Low Voltage Intermittent Short
P1115 /D ECT Circuit Intermittent High Voltage Poor PCM Ground Or Open
P1121 /D TP Circuit Intermittent High Voltage Open/Short Or Poor Ground In Circuit
P1122 /D TP Circuit Intermittent Low Voltage Open/Short Or Poor Ground In Circuit
P1133 /B Bank 1 Primary HO2S Circuit Insufficient Switching Exhaust Leak, Short In Circuit, HO2S Or PCM
P1134 /B Bank 1 Primary HO2S Circuit Transition Time Ratio Exhaust Leak, Open/Short In Circuit, HO2S Or PCM
P1171 /A Fuel System Lean During Acceleration Fuel Pressure, Incorrect Fuel Or Hot Fuel
P1390 /D G-Sensor Circuit Intermittent Low Voltage Open/Short
P1391 /B G-Sensor Circuit Performance G-Sensor Or PCM
P1392 /A G-Sensor Circuit Low Voltage PCM
P1393 /A G-Sensor Circuit High Voltage Poor Grounds, G-Sensor Or PCM
P1394 /D G-Sensor Circuit Intermittent High Voltage Poor Ground, MAP Or G-Sensor
P1406 /A Exhaust Gas Recirculation (EGR) Valve Pintle Position Circuit Open/Short, EGR Or PCM
P1441 /B EVAP System Flow During Non-Purge Short, PCM, EVAP Purge Solenoid Or EVAP Vacuum Switch
P1442 /B EVAP System Vacuum Switch Circuit Open/Short, PCM Or EVAP Vacuum Switch
P1640 /D ODM "A" Fault Open in Ignition Circuit Or PCM
P1705 (1) A/T Gear Position Switch Circuit Short In A/T Gear Position Switch Wire Or Faulty A/T Gear Position Switch
P1706 (2) A/T Gear Position Switch Circuit Open A/T Gear Position Switch Circuit Or Faulty A/T Gear Position Switch
P1753 Lock-Up Clutch Does Not Engage Or Disengage. Unstable Idle (A/T) Open/Short In Lock-Up Control Solenoid
P1753 Lock-up Clutch Won't Engage/Disengage, Unstable Idle (A/T) Valve "A" Circuit Or Faulty Solenoid
P1758 Lock-up Clutch Does Not Engage (A/T) Open/Short In Lock-up Control Solenoid
P1758 Lock-up Clutch Does Not Engage (A/T) Valve "B" Circuit Or Faulty Solenoid
P1860/A TCC PWM Solenoid Circuit Fault Miscellaneous
P1870/A Transmission Component Slipping Miscellaneous
(1) Only Shifts In 2nd and 4th Gears. Lock-up Clutch Does Not Engage (A/T).
(2) Only Shifts In 2nd And 4th Gears. Lock-up Clutch Does Not Engage Or Engages and Disengages Alternately (A/T).