Subaru Tribeca 2006

3.0L H6 - Auto 3

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Trouble Code: P0447



Evaporative Emission Control System Purge Control Valve Circuit High Input

Possible Causes:



Check output signal from ECM
 
Check poor contact
 
Check harness between drain valve and ECM connector
 
Check drain valve
 
Check power supply to drain valve
 

Trouble Code: P0448



Evaporative Emission Control System Vent Control Circuit Shorted

Possible Causes:



Check input signal from ECM
 
Check poor contact
 
Check harness between drain valve and ECM connector
 
Check drain valve
 

Trouble Code: P0451



Evaporative Emission Control System Pressure Sensor Malfunction

Possible Causes:



Check any other DTC on display
 
Check fuel filler cap
 
Check pressure vacuum line
 

Trouble Code: P0452



Evaporative Emission Control System Pressure Sensor Low Input

Possible Causes:



Using a scan tool, check current data
 
Check power supply to fuel tank pressure sensor
 
Check input signal to ECM
 
Check harness between ECM and coupling connector in rear wiring harness
 
Check fuel tank cord
 
Check the purge control solenoid valve
 
Check poor contact
 

Trouble Code: P0453



Evaporative Emission Control System Pressure Sensor Low Input

Possible Causes:



Using a scan tool, check current data
 
Check power supply to fuel tank pressure sensor
 
Check input signal to ECM
 
Check harness between ECM and coupling connector in rear wiring harness
 
Check fuel tank cord
 
Check poor contact
 
Check harness between ECM and fuel tank pressure sensor connector
 

Trouble Code: P0456



Evaporative Emission Control System Pressure Sensor Low Input

Possible Causes:



Check any other DTC on display
 
Check fuel filler cap
 
Check fuel filler pipe packing
 
Check drain valve
 
Check purge control solenoid valve
 
Check pressure control solenoid valve
 
Check harness between ECM and fuel tank pressure sensor connector
 
Check evaporative emission control system line
 
Check canister
 
Check any other mechanical component in the system
 

Trouble Code: P0457



Evaporative Emission Control System Leak Detected

Possible Causes:



Check any other DTC on display
 
Check fuel filler cap
 
Check fuel filler pipe packing
 
Check drain valve
 
Check purge control solenoid valve
 
Check pressure control solenoid valve
 
Check canister
 
Check fuel tank
 
Check any other mechanical component in the system
 

Trouble Code: P0458



Evaporative Emission System Purge Control Valve Circuit Low

Possible Causes:



Check output signal of ECM
 
Check harness between purge control solenoid valve and ECM connector
 
Check purge control solenoid valve
 
Check power supply to purge control solenoid valve
 
Check poor contact
 

Trouble Code: P0459



Evaporative Emission System Purge Control Valve Circuit High

Possible Causes:



Check output signal of ECM
 
Check harness between purge control solenoid valve and ECM connector
 
Check purge control solenoid valve
 
Check poor contact
 

Trouble Code: P0461



Evaporative Emission System Purge Control Valve Circuit High

Possible Causes:



Check any other DTC on display
 

Trouble Code: P0462



Evaporative Emission Control System Leak Detected

Possible Causes:



Check speedometer and tachometer operation
 
Check input signal of ECM
 
Check input voltage from ECM
 
Check harness between ECM and combination meter connector
 
Check fuel tank cord
 
Check fuel level sensor
 
Check fuel sub level sensor
 

Trouble Code: P0463



Fuel Level Sensor -A- Circuit High

Possible Causes:



Check speedometer and tachometer operation
 
Check input signal of ECM
 
Check input voltage from ECM
 
Check harness between ECM and fuel tank cord
 
Check harness between fuel tank cord and ground
 
Check fuel tank cord
 
Check fuel level sensor
 
Check fuel sub level sensor
 

Trouble Code: P0464



Fuel level Sensor Circuit Intermittent

Possible Causes:



Check any other DTC on display
 
Check fuel level sensor
 
Check fuel level sub sensor
 

Trouble Code: P0500



Vehicle Speed Sensor

Possible Causes:



Check DTC of VDC
 

Trouble Code: P0506



Idle Control System RPM Lower Than Expected

Possible Causes:



Check any other DTC on display
 
Check air cleaner element
 
Check electronic throttle control
 

Trouble Code: P0507



Idle Control System RPM Higher Than Expected

Possible Causes:



Check any other DTC on display
 
Check air intake system
 
Check electronic throttle control
 

Trouble Code: P0512



Starter Request Circuit

Possible Causes:



Check starter motor
 

Trouble Code: P0519



Idle Control System Malfunction (fail safe)

Possible Causes:



Check any other DTC on display
 
Check air intake system
 
Check electronic throttle control
 

Trouble Code: P0600



Serial Communication Link

Possible Causes:



Check engine start failure (does engine run)
 
Check illumination of MIL light
 
Check indication of DTC on display
 
Using the a scan tool, perform diagnosis
 

Trouble Code: P0604



Internal Control Module Random Access Memory (RAM) Error

Possible Causes:



Check any other DTC on display
 

Trouble Code: P0605



Internal Control Module Read Only Memory (ROM) Error

Possible Causes:



Check input voltage from ECM
 
Check ground harness
 

Trouble Code: P0607



Control Module Performance

Possible Causes:



Check input voltage from ECM
 
Check ground harness
 

Trouble Code: P0638



Throttle Actuator Control range/Performance Bank 1

Possible Causes:



Check electronic throttle control relay
 
Check power supply of electronic control relay
 
Check harness between ECM and electronic throttle control relay
 
Check sensor output
 
Check poor contact
 
Check harness between ECM and electronic throttle control
 
Check sensor power supply
 
Check for short in ECM
 
Check sensor output
 
Check harness between ECM and electronic throttle control motor
 
Check electronic throttle control motor harness
 
Check ground circuit
 
Check electronic throttle control
 

Trouble Code: P0691



Cooling Fan 1 Control Circuit Low

Possible Causes:



Check any other DTC on display
 

Trouble Code: P0692



Cooling Fan 1 Control Circuit Low

Possible Causes:



Check any other DTC on display
 

Trouble Code: P0703



Torque Converter/Brake Switch -B- Circuit

Possible Causes:



Check operation of brake light
 
Check harness between TCM and brake light switch connector
 
Check input signal for TCM
 
Check poor contact
 

Trouble Code: P0731



Gear 1 Incorrect Ratio

Possible Causes:



Check any other DTC on display
 
Check throttle position sensor circuit
 
Check front VSS circuit
 
Check torque converter turbine speed sensor circuit
 
Check poor contact
 
Check for mechanical problems
 

Trouble Code: P0732



Gear 2 Incorrect Ratio

Possible Causes:



Check any other DTC on display
 
Check throttle position sensor circuit
 
Check front VSS circuit
 
Check torque converter turbine speed sensor circuit
 
Check poor contact
 
Check for mechanical problems
 

Trouble Code: P0733



Gear 3 Incorrect Ratio

Possible Causes:



Check any other DTC on display
 
Check throttle position sensor circuit
 
Check front VSS circuit
 
Check torque converter turbine speed sensor circuit
 
Check poor contact
 
Check for mechanical problems
 

Trouble Code: P0734



Gear 4 Incorrect Ratio

Possible Causes:



Check any other DTC on display
 
Check throttle position sensor circuit
 
Check front VSS circuit
 
Check torque converter turbine speed sensor circuit
 
Check poor contact
 
Check for mechanical problems
 

Trouble Code: P1154



Bank 1 and Sensor 1 Oxygen Sensor (front left) Circuit Range/Performance Problem low Input

Possible Causes:



Check any other DTC on display
 
Using a scan tool, check current data
 
Check rear sensor signal
 
Check exhaust system
 

Trouble Code: P1155



Bank 2 and Sensor 1 Oxygen Sensor (front left) Circuit Range/Performance Problem High Input

Possible Causes:



Check any other DTC on display
 
Using a scan tool, check current data
 
Check rear sensor signal
 
Check exhaust system
 

Trouble Code: P1160



Throttle Actuator Control range/Performance Bank 1

Possible Causes:



Check electronic throttle control relay
 
Check power supply of electronic control relay
 
Check harness between ECM and electronic throttle control relay
 
Check sensor output
 
Check poor contact
 
Check harness between ECM and electronic throttle control
 
Check sensor power supply
 
Check for short in ECM
 
Check sensor output
 
Check harness between ECM and electronic throttle control motor
 
Check electronic throttle control motor harness
 
Check ground circuit
 
Check electronic throttle control
 

Trouble Code: P1443



Vent Control Solenoid Valve Function Problem

Possible Causes:



Check any other DTC on display
 
Check vent line hoses
 
Check drain valve operation
 

Trouble Code: P1518



Starter Switch Circuit Low Input

Possible Causes:



Check operation of starter motor
 

Trouble Code: P1560



Back-Up Voltage Circuit Malfunction

Possible Causes:



Check input signal of ECM
 
Check harness between ECM and main fuse box connector
 
Check fuse number 13
 

Trouble Code: P2088



OCV Solenoid Valve Signal -A- Circuit Open (bank 1)

Possible Causes:



Check harness between ECM and oil flow control solenoid valve
 
Check oil flow control solenoid valve
 

Trouble Code: P2089



OCV Solenoid Valve Signal -A- Circuit Short (bank 1)

Possible Causes:



Check harness between ECM and oil flow control solenoid valve
 
Check oil flow control solenoid valve
 

Trouble Code: P2092



OCV Solenoid Valve Signal -A- Circuit Open (bank 2)

Possible Causes:



Check harness between ECM and oil flow control solenoid valve
 
Check oil flow control solenoid valve
 

Trouble Code: P2093



OCV Solenoid Valve Signal -A- Circuit Short (bank 2)

Possible Causes:



Check harness between ECM and oil flow control solenoid valve
 
Check oil flow control solenoid valve
 

 
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