Ridgeline 2007-2008

3.5L V6 VIN - Auto 6

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Trouble Code: P2630



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

Possible Causes:



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

Trouble Code: P2631



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

Possible Causes:



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

Trouble Code: P2646



Rocker Arm Oil Pressure Switch (VTEC Oil Pressure Switch) Circuit Low Voltage

Possible Causes:



Low engine oil or faulty oil pressure
 
Poor connections or loose terminals at the rocker arm oil pressure switch, the rocker arm oil control solenoid, and the PCM
 
"Short" circuit between the PCM and the rocker arm oil pressure switch
 
Faulty rocker arm oil pressure switch
 
Faulty rocker arm oil control solenoid
 
Faulty rocker arm
 

Trouble Code: P2647



Rocker Arm Oil Pressure Switch (VTEC Oil Pressure Switch) Circuit High Voltage

Possible Causes:



Low oil level
 
Low oil pressure
 
"Open" in the wire between the rocker arm oil pressure switch and ground
 
Poor connections or loose terminals at the rocker arm oil pressure switch, the rocker arm oil control solenoid, and the PCM
 
"Open" circuit between the PCM and the rocker arm oil pressure switch
 
Faulty rocker arm oil pressure switch
 
Faulty rocker arm oil control solenoid assembly
 
PCM needs to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P2648



Rocker Arm Oil Control Solenoid (VTEC Solenoid Valve) Circuit Low Voltage

Possible Causes:



Poor connections or loose terminals at the rocker arm oil control solenoid and the PCM
 
"Short" circuit between the PCM and the rocker arm oil control solenoid
 
Faulty rocker arm oil control solenoid
 
PCM needs to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P2649



Rocker Arm Oil Control Solenoid (VTEC Solenoid Valve) Circuit High Voltage

Possible Causes:



Poor connections or loose terminals at the rocker arm oil control solenoid and the PCM
 
"Open" circuit between the PCM and the rocker arm oil control solenoid
 
Faulty rocker arm oil control solenoid
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P2769



Short in Torque Converter Clutch Solenoid Valve Curcuit

Possible Causes:



Blown fuse
 
"Open" or "Short" in the wire between PCM connector terminal and the driver's under-dash fuse/relay box
 
"Short" to ground in the wire between PCM connector terminal and solenoid harness
 
Faulty torque converter clutch solenoid valve
 
PCM needs to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P2770



Open in Torque Converter Clutch Solenoid Valve Curcuit

Possible Causes:



Poor connections or loose terminals the PCM
 
"Open" circuit between the PCM and the torque converter clutch solenoid
 
"Open" circuit in the torque converter clutch solenoid harness
 
Faulty torque converter clutch solenoid
 
PCM needs to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P2A00



Rear Air/Fuel Ratio (A/F) Sensor (Bank 1, Sensor 1) Circuit Range/Performance Problem

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: P2A03



Front Air/Fuel Ratio (A/F) Sensor (Bank 2, Sensor 1) Circuit Range/Performance Problem

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: SRS 11-11



Short to Another Airbag Inflator in the Driver's Airbag First Inflator (4-door)

Possible Causes:



Short to another wire in the dashboard wire harness; replace the dashboard wire harness, then clear the DTC
 
SRS unit or poor connection at SRS unit connector
 
Faulty driver's airbag first inflator
 
Dashboard wire harness
 
Wire in the cable reel
 

Trouble Code: U0073



F-CAN Malfunction (BUS-OFF)

Possible Causes:



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

Trouble Code: U0114



FCAN Malfunction (VTM-4 Control Module To PCM)

Possible Causes:



Check for loose connections at VTM-4 unit (intermittent fault)
 
Check for any Body Control Module trouble codes
 
FCAN communication circuit to the VTM-4 is open, shorted to ground or B+
 

Trouble Code: U0122



F-CAN A Malfunction (Powertrain Control Module (PCM)-VSA Modulator-Control Unit) (PGM-FI System)

Possible Causes:



Poor connections or loose terminals at the VSA modulator-control unit and the PCM
 
"Open" circuit between the PCM and the VSA modulator-control unit
 
VSA modulator-control unit needs to be updated with the latest software
 
Faulty VSA modulator-control unit
 

Trouble Code: U0155



Lost Communication with Gauge Control Module

Possible Causes:



Poor connections and loose terminals at the gauge control module and the PCM
 
"Open" circuit between the PCM and the gauge control module
 
Faulty Gauge Control Module
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: U0300



PGM-FI System and A/T System Program Version Mismatch

Possible Causes:



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

 
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