Honda Cars 2007-2008

3.0L V6 VIN - Std 5

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Trouble Code: P0507



Idle Control System RPM Higher Than Expected

Possible Causes:



Vacuum leaks
 
Faulty PCV valve
 
Dirty throttle bore
 
Faulty EVAP canister purge valve
 
Poor connections or loose terminals at the throttle body and the PCM
 
Improper PCM idle learn procedure
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P050A



Cold Start Idle Air Control System Performance Problem

Possible Causes:



Dirty air cleaner element
 
Damage air cleaner element or housing
 
Dirty or damaged throttle bore
 
Poor connections or loose terminals at the throttle body, the MAF sensor/IAT sensor
 
Faulty throttle body
 
Faulty MAF sensor/IAT sensor
 

Trouble Code: P050B



Cold Start Ignition Timing Control System Performance Problem

Possible Causes:



Poor connections or blockage at the air intake duct
 
Damaged air cleaner housing or dirty air cleaner
 
Damaged CKP sensor and/or the CKP sensor pulser plate
 
Faulty throttle body
 
Dirty or faulty MAF sensor/IAT sensor 1
 
Faulty ECT SENSOR 1 and/or ECT SENSOR 2
 
Check and repair any problems with the following items, Engine compression, VTEC system, Engine oil, A/C system, Power steering system
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0562



Charging System Low Voltage

Possible Causes:



Faulty battery, or connections
 
Faulty alternator
 
Poor connections or loose terminals at the alternator and the main under-hood fuse box
 

Trouble Code: P0563



Engine Control Module (ECM) Powertrain Control Module (PCM) Power Source Circuit Unexpected Voltage

Possible Causes:



Faulty PGM-FI main relay 1
 
Poor connections or loose terminals under-hood fuse/relay box (PGM-FI main relay 1) and the fuse
 
"Short" to power in the wire between the PCM (PGM-FI main relay 1)
 
ECM/PCM may need to be updated with the latest software
 
Faulty ECM/PCM
 

Trouble Code: P0602



ECM/PCM Programming Error

Possible Causes:



ECM/PCM needs to be updated with the latest software
 
Faulty ECM/PCM
 

Trouble Code: P062F



ECM/PCM Internal Control Module Keep Alive Memory (KAM) Error

Possible Causes:



ECM/PCM needs to be updated with the latest software
 
Faulty ECM/PCM
 

Trouble Code: P0630



VIN Not Programmed or Mismatch

Possible Causes:



ECM/PCM needs to be updated with the latest software
 
Faulty ECM/PCM
 

Trouble Code: P0641



Sensor Reference Voltage A Malfunction

Possible Causes:



Intermittent condition
 
"Open" or "Short" circuit in the following 5-volt reference circuits, APP sensor, Throttle body, Input shaft (mainshaft) speed sensor
 
PCM needs to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0685



ECM/PCM Power Control Circuit Malfunction

Possible Causes:



ECM/PCM needs to be updated with the latest software
 
Faulty ECM/PCM
 

Trouble Code: P0715



Input Shaft (Mainshaft) Speed Sensor Circuit Malfunction (M/T Model)

Possible Causes:



Poor connections or loose terminals at the input shaft (mainshaft) speed sensor and the ECM
 
"Open" or "Short" between the ECM and the input shaft (mainshaft) speed sensor
 
Faulty input shaft (mainshaft) speed sensor
 
ECM needs to be updated with the latest software
 
Faulty ECM
 

Trouble Code: P0A27/46



High Voltage Contactor/Bypass Contactor Stays Activated (HYBRID MODELS)

Possible Causes:



Poor connections or loose terminals at the high voltage contactor, the bypass contactor, and the MCM
 
Faulty high voltage contactor
 
Faulty bypass contactor
 
Faulty MPI module
 
MCM may need to be updated with the latest software
 
Faulty MCM
 

Trouble Code: P1077



Intake Manifold Runner Control (IMRC) Valve Stuck Open: Short Runner Position

Possible Causes:



Poor connections or loose terminals at the IMT (IMRC) actuator and the PCM
 
"Open" or "Short" between the PCM and the IMT (IMRC) actuator
 
IMT (IMRC) actuator
 
Stuck valve, replace the intake manifold if necessary
 
PCM needs to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P1078



Intake Manifold Runner Control (IMRC) Valve Stuck Closed: Long Runner Position

Possible Causes:



Poor connections or loose terminals at the IMT (IMRC) actuator and the PCM
 
"Open" or "Short" circuit between the PCM and the IMT (IMRC) actuator
 
Faulty IMT (IMRC) actuator
 
Stuck valve, replace the intake manifold if necessary
 
PCM needs to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P1109



Barometric Pressure (BARO) Sensor Circuit Out of Range High

Possible Causes:



PCM needs to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P1116



Engine Coolant Temperature (ECT) Sensor 1 Circuit Range/Performance Problem

Possible Causes:



Poor connections or loose terminals at ECT sensor 1 and ECT sensor 2
 
Faulty ECT sensor 1
 
Faulty ECT sensor 2
 

Trouble Code: P1128



Manifold Absolute Pressure (MAP) Sensor Signal Lower Than Expected

Possible Causes:



Dirty air cleaner element
 
Poor connections or loose terminals at the MAP sensor and the PCM
 
Faulty MAP sensor
 

Trouble Code: P1129



MAP Sensor Signal Higher Than Expected

Possible Causes:



Vacuum leaks
 
Poor connections or loose terminals at the MAP sensor and the PCM
 
Faulty MAP sensor
 

Trouble Code: P1172



Rear Air/Fuel Ratio (A/F) Sensor (Bank 1, Sensor 1) Circuit Out of Range High

Possible Causes:



Poor connections or loose terminals at the A/F sensor (Sensor 1) and the PCM
 
Faulty A/F sensor (Sensor 1)
 

Trouble Code: P1174



Front Air/Fuel Ratio (A/F) Sensor (Bank 2, Sensor 1) Circuit Out of Range High

Possible Causes:



Poor connections or loose terminals at the A/F sensor (Sensor 1) and the PCM
 
Faulty A/F sensor (Sensor 1)
 

Trouble Code: P1297



Electrical Load Detector (ELD) Circuit Low Voltage

Possible Causes:



Poor connections or loose terminals at the ELD and the PCM
 
"Short" circuit between the PCM and the ELD
 
Faulty left side engine compartment wire harness
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P1298



Electrical Load Detector (ELD) Circuit High Voltage

Possible Causes:



Blown fuse
 
Poor connections or loose terminals at the ELD and the PCM
 
"Open" circuit between the fuse in the under-dash fuse/relay box and the ELD
 
"Open" in the wire between the ELD and ground
 
Faulty left side engine compartment wire harness
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P1454



Fuel Tank Pressure (FTP) Sensor Circuit Range/Performance Problem

Possible Causes:



Poor connections or loose terminals at the FTP sensor, the EVAP canister vent shut valve, and the PCM
 
Blockage in the EVAP canister, canister filter, vent hoses, and drain joint,
 
Blockage in the FTP sensor air tube or vent
 
Faulty FTP sensor
 
Faulty EVAP canister vent shut valve
 

Trouble Code: P1549



Charging System High Voltage

Possible Causes:



Poor connections or loose terminals at the alternator and the main under-hood fuse box
 
Faulty alternator
 

Trouble Code: P1683



Throttle Valve Default Position Spring Performance Problem

Possible Causes:



Poor connections or loose terminals at the throttle body and the PCM
 
Faulty throttle body
 

Trouble Code: P1684



Throttle Valve Return Spring Performance Problem

Possible Causes:



Poor connections or loose terminals at the throttle body and the PCM
 
Faulty throttle body
 

Trouble Code: P16BB



Alternator B Terminal Circuit Low Voltage

Possible Causes:



Faulty battery
 
Poor connections or loose terminals at the alternator and the main under-hood fuse box
 
"Open" circuit between the alternator and the main under-hood fuse box
 
Faulty alternator
 

Trouble Code: P16BC



Alternator FR Terminal Circuit/IGP Circuit Low Voltage

Possible Causes:



Blown fuse
 
Poor connections or loose terminals at the alternator connector
 
Poor alternator ground
 



Faulty alternator
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P2101



Electronic Throttle Control System (ETCS) Malfunction (Includes Hybrid Models)

Possible Causes:



Dirty throttle body
 
Poor connections or loose terminals at the throttle body and the PCM
 
"Open" circuit between the throttle body and the PCM
 
Faulty throttle body
 
PCM needs to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P2108



Throttle Actuator Control Module Problem

Possible Causes:



Poor connections or loose terminals at the throttle body, the throttle actuator control module and the PCM
 
Faulty throttle actuator control module
 

Trouble Code: P2118



Throttle Actuator Current Range/Performance Problem (Includes Hybrid Models)

Possible Causes:



Poor connections or loose terminals at the throttle body and the PCM
 
"Short" circuit between the PCM (ETCSM-line) and (ETCSM+line)
 
Faulty throttle body
 
Faulty throttle actuator control module
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P2122



APP Sensor A or 1 (TP Sensor D) Circuit Low Voltage (Includes Hybrid Models)

Possible Causes:



Poor connections or loose terminals at APP sensor A and the PCM
 
"Open" or "Short" circuit between the PCM and APP sensor A
 
Faulty APP sensor
 
Faulty accelerator pedal module
 
PCM needs to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P2123



APP Sensor A or 1 (TP Sensor D) Circuit High Voltage (Includes Hybrid Models)

Possible Causes:



Poor connections or loose terminals at APP sensor A and the PCM
 
"Open" circuit between the PCM and APP sensor A
 
Faulty APP sensor
 
Faulty accelerator pedal module
 
PCM needs to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P2127



APP Sensor B or 2 (Throttle Position (TP) Sensor E) Circuit Low Voltage (Includes Hybrid Models)

Possible Causes:



Poor connections or loose terminals at APP sensor B and the PCM
 
"Open" or "Short" circuit between the PCM and APP sensor B
 
Faulty accelerator pedal module
 
Faulty APP sensor
 
PCM needs to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P2128



APP Sensor B or 2 (Throttle Position (TP) Sensor E) Circuit High Voltage (Includes Hybrid Models)

Possible Causes:



Poor connections or loose terminals APP sensor B and the PCM
 
"Open" circuit between the PCM and APP sensor B
 
Faulty accelerator pedal module
 
Faulty APP sensor
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P2135



Throttle Position (TP) Sensor A/B or 1/2 Incorrect Voltage Correlation (Includes Hybrid Models)

Possible Causes:



Poor connections or loose terminals at the throttle body and the PCM
 
"Short" circuit between the PCM (TPSA line) and the (TPSB line)
 
Faulty throttle body
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P2138



APP Sensor A/B or 1/2 (Throttle Position (TP) Sensor D/E) Incorrect Voltage Correlation (Includes Hybrid Models)

Possible Causes:



Poor connections or loose terminals at the APP sensor and the PCM
 
"Short" circuit between PCM (APSA line) and (APSB line)
 
Faulty accelerator pedal module
 
PCM needs to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P2176



Throttle Actuator Control System Idle Position Not Learned (Includes Hybrid Models)

Possible Causes:



Dirty throttle body
 
Poor connections or loose terminals at the throttle body and the PCM
 
"Open" circuit between the throttle body and the PCM
 
Faulty throttle body
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P2183



Engine Coolant Temperature (ECT) Sensor 2 Circuit Range/Performance Problem (Includes Hybrid Models)

Possible Causes:



Poor connections or loose terminals at ECT sensor 1, ECT sensor 2, and the PCM
 
Faulty ECT sensor 1
 
Faulty ECT sensor 2
 

Trouble Code: P2184



Engine Coolant Temperature (ECT) Sensor 2 Circuit Low Voltage (Includes Hybrid Models)

Possible Causes:



Poor connections or loose terminals at ECT sensor 2 and the PCM
 
"Short" in the wire between ECT sensor 2 and the PCM
 
Faulty ECT sensor 2
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

 
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