Honda Cars 2007-2008

3.0L V6 VIN - Auto 8

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Trouble Code: P15AA/93



Motor Rotor Position Not Learned (HYBRID MODELS)

Possible Causes:



Poor connections at the motor rotor position sensor, motor rotor position rotor, and at the motor stator
 
Check the MOTOR ROTOR POSITION CALIBRATION in the DATA LIST in the PGM-FI SYSTEM with the HDS
 
Faulty motor rotor position sensor
 

Trouble Code: P15AB



Engine Mount Control Unit Power Source Circuit Low Voltage

Possible Causes:



Blown fuse
 
Poor connections or loose terminals at the engine mount control unit and the body ground
 
"Open" circuit between engine mount control unit and body ground
 
"Open" circuit between engine mount control unit and power source
 
Faulty engine mount control unit
 

Trouble Code: P1626/32



Motor Power Inverter (MPI) Module Internal Circuit Malfunction (HYBRID MODELS)

Possible Causes:



Poor connections or loose terminals at the MPI module and the MCM
 
Faulty MPI module
 

Trouble Code: P1629/79



Battery Current Sensor Circuit Malfunction (HYBRID MODELS)

Possible Causes:



Poor connections or loose terminals at the battery current sensor and the MCM
 
"Short" circuit between the battery current sensor and the MCM
 
MCM may need to be updated with the latest software
 
Faulty MCM
 

Trouble Code: P1634/47



Motor Power Inverter (MPI) Module Signal Circuit Malfunction (HYBRID MODELS)

Possible Causes:



Poor connections or loose terminals at the MPI module and the MCM
 
"Open" or "Short" circuit between the MPI module and the MCM
 
"Open" in the wire between the MPI module and ground
 
"Open" circuit between MCM relay 2 and the MPI module
 
"Open" circuit between MCM relay 1 and MCM relay 2
 
"Open" circuit between MCM relay 2 and the MCM
 
Blown fuse
 
Faulty MCM relay 2
 
Faulty MPI module
 
MCM may need to be updated with the latest software
 
Faulty MCM
 

Trouble Code: P1673/22



Motor Control Module (MCM) Relay Stays Activated (HYBRID MODELS)

Possible Causes:



Poor connections or loose terminals at the MCM relay 1 and the MCM
 
"Short" circuit between MCM relay 1 and the MCM
 
Faulty MCM relay 1
 
MCM may need to be updated with the latest software
 
Faulty MCM
 

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: P16C1/91



Motor Control Module (MCM) Program Not Installed (Motor Control Program) (HYBRID MODELS)

Possible Causes:



If DTC P16C1 is stored at the same time as DTC P0A27, troubleshoot DTC P16C1 first, then recheck for P0A27
 
MCM may need to be updated with the latest software
 
Faulty MCM
 

Trouble Code: P16C2/92



Motor Control Module (MCM) Program Not Installed (Battery Condition Monitor Program) (HYBRID MODELS)

Possible Causes:



MCM may need to be updated with the latest software
 
Faulty MCM
 

Trouble Code: P16C3/31



DC-DC Converter Temperature Sensor Circuit Malfunction (HYBRID MODELS)

Possible Causes:



Blocked IPU module air duct
 
Faulty IPU module fan
 
Poor connections or loose terminals at the DC-DC converter and the MCM
 
Faulty DC-DC converter
 

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
 

Trouble Code: P2185



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

Possible Causes:



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

Trouble Code: P2195



Rear Air/Fuel Ratio (A/F) Sensor (Bank 1, Sensor 1) Signal Stuck Lean

Possible Causes:



Dirty or Faulty MAF sensor/IAT sensor (If equipped)
 
Loose A/F sensor
 
Poor connections or loose terminals at the A/F sensor (Sensor 1) and the PCM
 
Faulty A/F sensor (Sensor 1)
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P2197



Front Air/Fuel Ratio (A/F) Sensor (Bank 2, Sensor 1) Signal Stuck Lean

Possible Causes:



Loose A/F sensor
 
Poor connections or loose terminals at A/F sensor (Sensor 1) and the PCM
 
Faulty A/F sensor (Sensor 1)
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P2227



Barometric Pressure (BARO) Sensor Circuit Range/Performance Problem

Possible Causes:



Dirty air cleaner element
 
Faulty BARO sensor
 
PCM needs to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P2228



Barometric Pressure (BARO) Sensor Circuit Low Voltage

Possible Causes:



Poor connections or loose terminals at the PCM
 
Faulty BARO sensor
 
PCM needs to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P2229



Barometric Pressure (BARO) Sensor Circuit High Voltage

Possible Causes:



Faulty BARO sensor
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P2237



Rear Air/Fuel Ratio (A/F) Sensor (Bank 1, Sensor 1) IP Circuit High Voltage

Possible Causes:



Poor connections or loose terminals at the A/F sensor (Sensor 1) and the PCM
 
"Open" circuit between the PCM and the A/F sensor (Sensor 1)
 
Faulty A/F sensor (Sensor 1)
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P2238



Rear Air/Fuel Ratio (A/F) Sensor (Bank 1, Sensor 1) IP Circuit Low Voltage

Possible Causes:



Poor connections or loose terminals at the A/F sensor (Sensor 1) and the PCM
 
"Short" circuit between the PCM and the A/F sensor (Sensor 1)
 
Faulty A/F sensor (Sensor 1)
 
PCM needs to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P2240



Front Air/Fuel Ratio (A/F) Sensor (Bank 2, Sensor 1) IP Circuit High Voltage

Possible Causes:



Poor connections or loose terminals at the A/F sensor (Sensor 1)
 
"Open" circuit between the PCM and the A/F sensor (Sensor 1)
 
Faulty A/F sensor (Sensor 1)
 
PCM needs to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P2241



Front Air/Fuel Ratio (A/F) Sensor (Bank 2, Sensor 1) IP Circuit Low Voltage

Possible Causes:



Poor connections or loose terminals at the A/F sensor (Sensor 1) and the PCM
 
"Short" circuit between the PCM and the A/F sensor (Sensor 1)
 
Faulty A/F sensor (Sensor 1)
 
PCM needs to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P2243



Rear Air/Fuel Ratio (A/F) Sensor (Bank 1, Sensor 1) VCENT Circuit High Voltage

Possible Causes:



Poor connections or loose terminals at the A/F sensor (Sensor 1) and the PCM
 
"Open" circuit between the PCM and the A/F sensor (Sensor 1)
 
Faulty A/F sensor (Sensor 1)
 
PCM needs to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P2245



Rear Air/Fuel Ratio (A/F) Sensor (Bank 1, Sensor 1) VCENT Circuit Low Voltage

Possible Causes:



Poor connections or loose terminals at the A/F sensor (Sensor 1) and the PCM
 
"Short" circuit between the PCM and the A/F sensor (Sensor 1)
 
Faulty A/F sensor (Sensor 1)
 
PCM needs to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P2247



Front A/F Sensor (Bank 2, Sensor 1) VCENT Circuit High Voltage

Possible Causes:



Poor connections or loose terminals at the A/F sensor (Sensor 1) and the PCM
 
"Open" circuit between the PCM and the A/F sensor (Sensor 1)
 
Faulty A/F sensor (Sensor 1)
 
PCM needs to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P2249



Front A/F Sensor (Bank 2, Sensor 1) VCENT Circuit Low Voltage

Possible Causes:



Poor connections or loose terminals at the A/F sensor (Sensor 1) and the PCM
 
"Short" circuit between the PCM and the A/F sensor (Sensor 1)
 
Faulty A/F sensor (Sensor 1)
 
PCM needs to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P2251



Rear Air/Fuel Ratio (A/F) Sensor (Bank 1, Sensor 1) VS Circuit High Voltage

Possible Causes:



Poor connections or loose terminals at the A/F sensor (Sensor 1) and the PCM
 
"Open" circuit between the PCM and the A/F sensor (Sensor 1)
 
Faulty A/F sensor (Sensor 1)
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

 
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