Pilot 2006-2008

3.5L V6 VIN - Auto 4

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Trouble Code: P0796



A/T Clutch Pressure Control Solenoid Valve C Stuck OFF

Possible Causes:



Low or dirty transmission fluid
 
Faulty A/T clutch pressure control solenoid valve C
 
Inspect the strainer for metal debris or excessive clutch material, if present
 

Trouble Code: P0797



A/T Clutch Pressure Control Solenoid Valve C Stuck ON

Possible Causes:



Low or dirty transmission fluid
 
Faulty hydraulic system related with shift valve C
 
Faulty A/T clutch pressure control solenoid valve C
 
Inspect the strainer for metal debris or excessive clutch material, if present
 

Trouble Code: P0812



Open in Transmission Range Switch ATP RVS Switch Circuit

Possible Causes:



Faulty transmission range switch
 
Poor connections and loose terminals at the transmission range switch and the PCM
 
"Open" in the wire between PCM and the transmission range switch
 
"Open" in the wire between transmission range switch and ground, or poor ground
 
PCM needs to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0842



Short in 2nd Clutch Transmission Fluid Pressure Switch Circuit, or 2nd Clutch Transmission Fluid Pressure Switch Stuck ON

Possible Causes:



Faulty 2nd clutch transmission fluid pressure switch
 
Poor connections and loose terminals at the 2nd clutch transmission fluid pressure switch and the PCM
 
OP2SW wire for an intermittent short to ground between the 2nd clutch transmission fluid pressure switch and the PCM
 
"Short" in the wire between PCM connector terminal and the 2nd clutch transmission fluid pressure switch
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0843



Open in 2nd Clutch Transmission Fluid Pressure Switch Circuit, or 2nd Clutch Transmission Fluid Pressure Switch Stuck OFF

Possible Causes:



Faulty 2nd clutch transmission fluid pressure switch
 
Poor connections and loose terminals at the 2nd clutch transmission fluid pressure switch and the PCM.
 
"Open" circuit between PCM connector terminal and the 2nd clutch transmission fluid pressure switch
 
PCM needs to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0847



Short in 3rd Clutch Transmission Fluid Pressure Switch Circuit, or 3rd Clutch Transmission Fluid Pressure Switch Stuck ON

Possible Causes:



Faulty 3rd clutch transmission fluid pressure switch
 
Poor connections and loose terminals at the 3rd clutch transmission fluid pressure switch and the PCM
 
"Short" circuit between PCM connector terminal and the 3rd clutch transmission fluid pressure switch
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0848



Open in 3rd Clutch Transmission Fluid Pressure Switch Circuit, or 3rd Clutch Transmission Fluid Pressure Switch Stuck OFF

Possible Causes:



Faulty 3rd clutch transmission fluid pressure switch
 
Poor connections or loose terminals at the 3rd clutch transmission fluid pressure switch and the PCM
 
"Open" circuit between PCM connector terminal and the 3rd clutch transmission fluid pressure switch
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0872



Short in 4th Clutch Transmission Fluid Pressure Switch Circuit, or 4th Clutch Transmission Fluid Pressure Switch Stuck ON

Possible Causes:



Faulty 4th clutch transmission fluid pressure switch
 
Check the OP4SW wire for an intermittent short to ground between the 4th clutch transmission fluid pressure switch and the PCM
 

Trouble Code: P0873



Open in 4th Clutch Transmission Fluid Pressure Switch Circuit, or 4th Clutch Transmission Fluid Pressure Switch Stuck OFF

Possible Causes:



Faulty 4th clutch transmission fluid pressure switch
 
Poor connections and loose terminals at the 4th clutch transmission fluid pressure switch and the PCM
 
"Open" in the wire between PCM connector terminal and the 4th clutch transmission fluid pressure switch
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0962



Problem in A/T Clutch Pressure Control Solenoid Valve A Circuit

Possible Causes:



Poor connections and loose terminals at A/T clutch pressure control solenoid valve A and the PCM
 
Faulty A/T clutch pressure control solenoid valve A
 
"Open" circuit between A/T clutch pressure control solenoid valve A and ground, or poor ground
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0963



Problem in A/T Clutch Pressure Control Solenoid Valve A

Possible Causes:



Poor connections and loose terminals at A/T clutch pressure control solenoid valve A and the PCM
 
"Open" circuit between A/T clutch pressure control solenoid valve A and ground, or poor ground
 
Faulty A/T clutch pressure control solenoid valve A
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0966



Problem in A/T Clutch Pressure Control Solenoid Valve B Circuit

Possible Causes:



Poor connections and loose terminals at A/T clutch pressure control solenoid valve B and the PCM
 
"Open" or "Short" circuit between PCM connector terminal and A/T clutch pressure control solenoid valve B
 
"Open" circuit between A/T clutch pressure control solenoid valve B and ground, or poor ground
 
Faulty A/T clutch pressure control solenoid valve B
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0967



Problem in A/T Clutch Pressure Control Solenoid Valve B

Possible Causes:



Poor connections and loose terminals at A/T clutch pressure control solenoid valve B and the PCM
 
"Open" circuit between A/T clutch pressure control solenoid valve C and ground, or poor ground
 
Faulty A/T clutch pressure control solenoid valve B
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0970



Problem in A/T Clutch Pressure Control Solenoid Valve C Circuit

Possible Causes:



Poor connections and loose terminals at A/T clutch pressure control solenoid valve C and the PCM
 
"Open" or "Short" circuit between PCM connector terminal and A/T clutch pressure control solenoid valve C
 
"Open" circuit between A/T clutch pressure control solenoid valve C and ground, or poor ground
 
Faulty A/T clutch pressure control solenoid valve C
 
PCM needs to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0971



Problem in A/T Clutch Pressure Control Solenoid Valve C

Possible Causes:



Poor connections and loose terminals at A/T clutch pressure control solenoid valve C and the PCM
 
"Open" in the wire between A/T clutch pressure control solenoid valve C and ground,, or poor ground
 
Faulty A/T clutch pressure control solenoid valve C
 
PCM needs to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0973



Short in Shift Solenoid Valve A Circuit

Possible Causes:



Blown fuse
 
Poor connections and loose terminals at shift solenoid valve A and the PCM
 
SHA wire for an intermittent "Short" to ground between shift solenoid valve A and the PCM
 
"Short" circuit between PCM connector terminal and the shift solenoid harness connector
 
"Open" circuit between PCM connector terminals and ground, or poor ground
 
Faulty shift solenoid valve A or the shift solenoid harness
 
PCM needs to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0974



Open in Shift Solenoid Valve A Circuit

Possible Causes:



Poor connections or loose terminals at shift solenoid valve A and the PCM
 
"Open" in the wire between PCM connector terminal and the shift solenoid harness connector
 
Faulty shift solenoid valve A or shift solenoid harness
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0976



Short in Shift Solenoid Valve B Circuit

Possible Causes:



Blown fuse
 
Poor connections and loose terminals at shift solenoid valve B and the PCM
 
"Open" in the wires between PCM connector terminals and ground, or poor ground
 
SHB wire for an intermittent short to ground between shift solenoid valve B and the PCM
 
"Short" in the wire between PCM connector terminal and the shift solenoid harness connector
 
Faulty shift solenoid valve B or the shift solenoid harness
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0977



Open in Shift Solenoid Valve B Circuit

Possible Causes:



Poor connections or loose terminals at shift solenoid valve B and the PCM
 
"Open" circuit between PCM connector terminal and the shift solenoid harness connector
 
Faulty shift solenoid valve B or shift solenoid harness
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0979



Short in Shift Solenoid Valve C Circuit

Possible Causes:



Blown fuse
 
Poor connections and loose terminals at shift solenoid valve C and the PCM
 
SHC wire for an intermittent short to ground between shift solenoid valve C and the PCM
 
"Open cicuit between PCM connector terminal and the under-dash fuse/relay box via the main relay
 
"Open" circuit between PCM connector terminals and ground, or poor ground
 
"Short" circuit between PCM connector terminal and the shift solenoid harness connector
 
Faulty shift solenoid valve C or the shift solenoid harness
 
PCM needs to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0980



Open in Shift Solenoid Valve C Circuit

Possible Causes:



Poor connections or loose terminals at shift solenoid valve C and the PCM
 
"Open" circuit between PCM connector terminal and the shift solenoid harness connector
 
Faulty shift solenoid valve C or shift solenoid harness
 
PCM needs to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0982



Short in Shift Solenoid Valve D Circuit

Possible Causes:



Blown Fuse
 
Poor connections and loose terminals at shift solenoid valve D and the PCM. If the PCM
 
SHD wire for an intermittent short to ground between shift solenoid valve D and the PCM
 
"Open" in the wire between PCM connector terminal and the under-dash fuse/relay box
 
"Short" in the wire between PCM connector terminal and the shift solenoid harness connector
 
Faulty shift solenoid valve D or the shift solenoid harness
 
PCM needs to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0983



Open in Shift Solenoid Valve D Circuit

Possible Causes:



Poor connections or loose terminals at shift solenoid valve D and the PCM
 
"Open" circuit between PCM connector terminal C9 and the shift solenoid harness connector
 
Faulty shift solenoid valve D or shift solenoid harness
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0A14



Front Engine Mount Actuator Circuit Malfunction

Possible Causes:



Poor connections or loose terminals at the engine mount control unit and the engine mount actuator
 
"Open" or "Short" circuit between the engine mount control unit and the engine mount actuator
 
Faulty front engine mount
 
Faulty engine mount control unit
 

Trouble Code: P0A15



Front Engine Mount Actuator Control Circuit Low Current

Possible Causes:



Poor connections or loose terminals at the engine mount control unit and the engine mount actuator, the engine mount control unit, and body ground
 
"Open" or "Short" to ground in the wire between the engine mount control unit and the engine mount actuator
 
Faulty front engine mount
 
Faulty engine mount control unit
 

Trouble Code: P0A16



Front Engine Mount Actuator Control Circuit High Current

Possible Causes:



Poor connections or loose terminals at the engine mount control unit and the engine mount actuator
 
"Open" or "Short" between the engine mount control unit and the engine mount actuator
 
Faulty front engine mount
 
Faulty engine mount control unit
 

Trouble Code: P0AB6



Rear Engine Mount Actuator Circuit Malfunction

Possible Causes:



Poor connections or loose terminals at the engine mount control unit and the engine mount actuator
 
"Open" or "Short" circuit between the engine mount control unit and the engine mount actuator
 
Faulty rear engine mount
 
Faulty engine mount control unit
 

Trouble Code: P0AB7



Rear Engine Mount Actuator Control Circuit Low Current

Possible Causes:



Poor connections or loose terminals at the engine mount control unit and the engine mount actuator
 
"Open" or "Short" circuit between the engine mount control unit and the engine mount actuator
 
Faulty rear engine mount
 
Faulty engine mount control unit
 

Trouble Code: P0AB8



Rear Engine Mount Actuator Control Circuit High Current

Possible Causes:



Poor connections or loose terminals at the engine mount control unit and the engine mount actuator
 
"Open" circuit between the engine mount control unit and the engine mount actuator
 
Faulty rear engine mount
 
Faulty engine mount control unit
 

Trouble Code: P1077



Intake Manifold Tuning (IMT) Valve Stuck in High RPM Position

Possible Causes:



Poor connections or loose terminals at the IMT actuator and the PCM
 
"Open" circuitbetween the PCM and the IMT actuator
 
Faulty IMT actuator
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P1078



Intake Manifold Tuning (IMT) Valve Stuck in Low RPM Position

Possible Causes:



Poor connections or loose terminals at the IMT actuator and the PCM
 
"Open" or "Short" circuit between the PCM and the IMT actuator
 
Faulty IMT actuator
 
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



Manifold Absolute Pressure (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: P1163



Lean A/F Sensor (Bank 1 Sensor 1) Slow Response

Possible Causes:



LAF sensor may be contaminated or may have failed
 
Fuel supply system is too lean (exhaust leaks in front of LAF)
 
Fuel supply system is too rich (fuel filter is clogged or dirty)
 
PCM has failed
 

Trouble Code: P1163



HO2S (Bank 1 Sensor 1) Signal Slow Response

Possible Causes:



HO2S may be contaminated or may have failed
 
Fuel supply system is too lean (exhaust leaks in front of LAF)
 
Fuel supply system is too rich (fuel filter is clogged or dirty)
 
PCM has failed
 

Trouble Code: P1164



Lean A/F Sensor (Bank 1 Sensor 1) Range/Performance

Possible Causes:



LAF sensor may be contaminated or may have failed
 
Fuel supply system is too lean (exhaust leaks in front of LAF)
 
Fuel supply system is too rich (fuel filter is clogged or dirty)
 
PCM has failed
 

Trouble Code: P1164



HO2S-11 (Bank 1 Sensor 1) Signal Range/Performance

Possible Causes:



HO2S may be contaminated or may have failed
 
Fuel supply system is too lean (exhaust leaks in front of LAF)
 
Fuel supply system is too rich (fuel filter is clogged or dirty)
 
PCM has failed
 

Trouble Code: P1165



Lean A/F-11 (Bank 1 Sensor 1) Range/Performance

Possible Causes:



LAF signal circuit is open or grounded (intermittent fault)
 
LAF signal circuit is shorted to heater power (intermittent)
 
LAF may be contaminated or may have failed
 
PCM has failed
 

 
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