Mazda Tribute 2001-06

2.3L L4 VIN D Std 3

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Trouble Code: P0354



Ignition Coil 4 Primary Circuit Malfunction

Possible Causes:



Ignition coil primary circuit is open, shorted to ground or power
 
Ignition coil power circuit is open between coil and Start circuit
 
Ignition coil has failed (arcing between primary and secondary)
 
PCM has failed
 

Trouble Code: P0355



Ignition Coil 3 Primary Circuit Malfunction

Possible Causes:



Ignition coil primary circuit is open or shorted to ground
 
Ignition coil primary circuit is shorted to system power (B+)
 
Ignition coil power circuit is open between coil and Start circuit
 
Ignition coil has failed (arcing between primary and secondary)
 
PCM has failed
 

Trouble Code: P0356



Ignition Coil 3 Primary Circuit Malfunction

Possible Causes:



Ignition coil primary circuit is open or shorted to ground
 
Ignition coil primary circuit is shorted to system power (B+)
 
Ignition coil power circuit is open between coil and Start circuit
 
Ignition coil has failed (arcing between primary and secondary)
 
PCM has failed
 

Trouble Code: P0400



EGR System Flow Malfunction

Possible Causes:



EGR vent solenoid circuit open or shorted to ground
 
EGR vent solenoid power circuit is open
 
EGR vent solenoid is damaged or has failed
 
DPFE sensor signal circuit is open or shorted to ground
 
DPFE sensor is damaged or has failed
 
EGR valve assembly is leaking, sticking, damaged or has failed
 
EGR valve vacuum hose(s) lose, damaged or disconnected
 
Exhaust pipe to EGR valve is restricted or plugged
 
PCM has failed
 

Trouble Code: P0401



EGR System Insufficient Flow Detected

Possible Causes:



EGR boost solenoid control circuit is open or shorted to ground
 
EGR boost solenoid power circuit is open to the Main Relay
 
EGR boost solenoid is damaged or has failed
 
EGR boost sensor is damaged or has failed
 
EGR valve position sensor is damaged, stuck or has failed
 
EGR valve assembly is leaking, damaged or has failed
 
EGR valve vacuum hose(s) lose, damaged or disconnected
 
IAT, MAF, TP and VSS (sensor) has drifted out-of-range
 
PCM has failed
 

Trouble Code: P0402



EGR System Excessive Flow At Idle Speed Detected

Possible Causes:



EGR boost solenoid control circuit is open or shorted to ground
 
EGR boost solenoid power circuit is open to the Main Relay
 
EGR boost solenoid is damaged or has failed
 
EGR boost sensor is damaged or has failed
 
EGR valve position sensor is damaged, stuck or has failed
 
EGR valve assembly is leaking, damaged or has failed
 
EGR valve vacuum hose(s) lose, damaged or disconnected
 
IAT, MAF, TP and VSS (sensor) has drifted out-of-range
 
PCM has failed
 

Trouble Code: P0403



EGR Valve (stepper motor) malfunction

Possible Causes:



EGR valve malfunction
 
Connector or terminal malfunction
 
Short to power circuit in wiring to EGR valve terminals and PCM terminals
 
Open circuit in wiring between EGR valve terminals and PCM terminals
 
PCM has failed
 

Trouble Code: P0405



EGR Valve Position Sensor Circuit Range/Performance

Possible Causes:



EGR boost solenoid control circuit is open or shorted to ground
 
EGR boost solenoid power circuit is open to the Main Relay
 
EGR boost solenoid is damaged or has failed
 
EGR boost sensor is damaged or has failed
 
EGR valve position sensor is damaged, stuck or has failed
 
EGR valve assembly is leaking, damaged or has failed
 
EGR valve vacuum hose(s) lose, damaged or disconnected
 
Exhaust pipe to EGR boost sensor or solenoid leaking/plugged
 
PCM has failed
 

Trouble Code: P0406



EGR Valve Position Sensor Circuit Range/Performance

Possible Causes:



EGR boost solenoid control circuit is open or shorted to ground
 
EGR boost solenoid power circuit is open to the Main Relay
 
EGR boost solenoid is damaged or has failed
 
EGR boost sensor is damaged or has failed
 
EGR valve position sensor is damaged, stuck or has failed
 
EGR valve assembly is leaking, damaged or has failed
 
EGR valve vacuum hose(s) lose, damaged or disconnected
 
Exhaust pipe to EGR boost sensor or solenoid leaking/plugged
 
PCM has failed
 

Trouble Code: P0420



Catalyst Efficiency Below Normal (Bank 1)

Possible Causes:



Air leaks at the exhaust manifold or in the exhaust pipes
 
Catalytic converter is contaminated, damaged or has failed
 
Front HO2S and/or the rear HO2S is loose in the mounting hole
 
Front HO2S older (aged) than the rear HO2S (HO2S is lazy)
 
Front HO2S or rear HO2S is contaminated with fuel or moisture
 

Trouble Code: P0430



Catalyst Efficiency Below Normal (Bank 2)

Possible Causes:



Air leaks at the exhaust manifold or in the exhaust pipes
 
Catalytic converter is contaminated, damaged or has failed
 
Front HO2S and/or the rear HO2S is loose in the mounting hole
 
Front HO2S older (aged) than the rear HO2S (HO2S is lazy)
 
Front HO2S or rear HO2S is contaminated with fuel or moisture
 

Trouble Code: P0421



Catalyst Efficiency Below Normal (Bank 1)

Possible Causes:



Air leaks at the exhaust manifold or in the exhaust pipes
 
Catalytic converter is contaminated, damaged or has failed
 
Front HO2S and/or the rear HO2S is loose in the mounting hole
 
Front HO2S older (aged) than the rear HO2S (HO2S is lazy)
 
Front HO2S or rear HO2S is contaminated with fuel or moisture
 

Trouble Code: P0441



EVAP System Malfunction

Possible Causes:



EVAP purge solenoid is damaged or has failed
 
EVAP charcoal canister is loaded with fuel or moisture
 
Vapor line is damaged or restricted between the purge solenoid and intake manifold, or between check valve and vapor valve
 
PCM has failed
 

Trouble Code: P0442



EVAP System Small Leak (0.040-) Detected

Possible Causes:



Fuel filler cap loose, cross-threaded, incorrect part or damaged
 
EVAP purge solenoid valve is damaged or has failed
 
EVAP vent control solenoid is damaged or has failed
 
EVAP charcoal canister is loaded with fuel or moisture
 
Fuel tank pressure sensor damaged or has failed
 
Vapor line(s) damaged or leaking between the purge solenoid and the intake manifold, purge solenoid valve and the canister, fuel vapor control valve tube or fuel vapor vent valve assembly
 
PCM has failed
 

Trouble Code: P0443



EVAP Purge Solenoid Circuit Malfunction

Possible Causes:



VMV solenoid control circuit is open or shorted to ground
 
VMV solenoid control circuit is shorted to system power (B+)
 
VMV solenoid power circuit is open or shorted to ground
 
VMV solenoid is damaged or has failed
 
PCM has failed (the VMV solenoid driver may be damaged)
 

Trouble Code: P0446



EVAP System Vent Control Malfunction

Possible Causes:



Canister drain cut valve (CDCV) is damaged, sticking or failed
 
Tank pressure control valve (TPCV) is damaged or has failed
 
Charcoal canister is loaded with fuel or moisture
 
Air filter is severely restricted, or 2-way check valve is clogged
 
FTP sensor signal circuit is open, shorted to ground or to power
 
FTP sensor power circuit is open or shorted to ground
 
FTP sensor is damaged or has failed
 
BARO, ECT, IAT, MAF, VSS or TP sensor is out-of-calibration
 
Fuel tank level sensor is damaged or out-of-calibration
 
Fuel vapor line(s) kinked or blocked between the CDVC valve and intake manifold, or between the TPCV and the canister
 

Trouble Code: P0451



EVAP Pressure Sensor Circuit Range/Performance

Possible Causes:



FTP sensor signal circuit is open (intermittent fault)
 
FTP sensor signal circuit is shorted to ground (intermittent fault)
 
FTP sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0452



EVAP Pressure Sensor Circuit Low Input

Possible Causes:



FTP sensor signal circuit is shorted to sensor ground
 
FTP sensor signal circuit is shorted to chassis ground
 
FTP sensor signal is shorted in the connector due to moisture
 
FTP sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0453



EVAP Pressure Sensor Circuit High Input

Possible Causes:



FTP sensor signal circuit is shorted to VREF or power (B+)
 
FTP sensor ground circuit is open
 
FTP sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0455



EVAP System Large Leak (0.080-) Detected

Possible Causes:



Fuel filler cap loose, cross-threaded, incorrect part or damaged
 
Charcoal canister is loaded with fuel or moisture
 
Purge solenoid may be stuck mechanically in -closed- position
 
Canister vent (CV) solenoid is stuck open or may be damaged
 
Fuel vapor control valve tube assembly is restricted or blocked
 
Fuel vapor vent valve assembly is restricted or blocked
 
Fuel pressure sensor has failed (i.e., it failed mechanically)
 
Vapor tube(s) loose, disconnected or blocked to the canister tube, EVAP canister purge outlet tube or the EVAP return tube
 
PCM has failed
 

Trouble Code: P0456



EVAP System Small Leak (0.020-) Detected

Possible Causes:



Fuel filler cap loose, cross-threaded, incorrect part or damaged
 
Small holes or cuts in any of the vapor hoses and/or tubes
 
CV solenoid stuck part-way open while it is commanded closed
 
EVAP system component seals leaking at the purge valve, FTP sensor, CV solenoid, fuel vapor control valve or vapor vent tube
 
Fuel vapor hose or tube connections loose at the component
 
PCM has failed
 

Trouble Code: P0457



EVAP System Gross Leak Detected

Possible Causes:



Fuel filler cap does not fit properly (it is the wrong part number)
 
Fuel filler cap is missing
 

Trouble Code: P0460



Fuel Level Indicator Signal Circuit Malfunction

Possible Causes:



FLI signal circuit is open, shorted to ground or to power (B+)
 
Fuel tank empty or overfull (FP module is stuck mechanically)
 
Wrong fuel gauge is installed, or instrument panel is damaged
 
Fuel gauge sender unit is damaged or has failed
 
PCM has failed
 

Trouble Code: P0461



Fuel Level Indicator Signal Circuit Range/Performance

Possible Causes:



FLI signal circuit is open or shorted to ground (intermittent fault)
 
FLI assembly is damaged or has failed
 
PCM has failed
 

Trouble Code: P0462



Fuel Level Sensor Circuit Low Input

Possible Causes:



Fuel gauge sending unit signal is shorted to sensor ground
 
Fuel gauge sending unit signal is shorted to chassis ground
 
Fuel gauge sending unit is damaged or has failed
 
PCM has failed
 

Trouble Code: P0463



Fuel Level Sensor Circuit High Input

Possible Causes:



Fuel gauge sending unit signal shorted to VREF or power
 
Fuel gauge sending unit ground circuit is open
 
Fuel gauge sender signal is damaged or has failed
 
PCM has failed
 

Trouble Code: P0481



Cooling Fan Relay 1 and Condenser Fan Relay 1 Control Circuit Malfunction

Possible Causes:



Cooling or condenser fan relay 1 circuit open, shorted to ground
 
Cooling or condenser fan relay 1 control power circuit is open
 
Cooling or condenser fan relay 1 is damaged or has failed
 
PCM has failed
 

Trouble Code: P0482



Cooling Fan Relay and Condenser Fan Relay 2 Control Circuit Malfunction

Possible Causes:



Cooling or condenser fan relay 2 circuit open, shorted to ground
 
Cooling or condenser fan relay 2 control power circuit is open
 
Cooling or condenser fan relay 1 is damaged or has failed
 
PCM has failed
 

Trouble Code: P0505



Idle Speed Control System Malfunction

Possible Causes:



Throttle body is damaged, dirty or idle speed out of adjustment
 
High resistance between PCM and IAC valve control circuits
 
IAC valve circuits open, shorted to ground or shorted to power
 
IAC valve air inlet is plugged, dirty or restricted
 
IAC valve is damaged or has failed
 

Trouble Code: P0506



Idle Control System RPM Lower Than Expected

Possible Causes:



Air intake system leaks (in the intake manifold or PCV valve)
 
IAC valve power circuit is open between main relay and valve
 
High resistance between PCM and IAC valve control circuits
 
IAC valve circuits open, shorted to ground or shorted to power
 
IAC valve air inlet is plugged, dirty or restricted
 
IAC valve is damaged or has failed
 
Throttle body is damaged or dirty (it may need to be cleaned)
 

Trouble Code: P0507



Idle Control System RPM Higher Than Expected

Possible Causes:



Air intake system leaks (in the intake manifold or PCV valve)
 
IAC valve power circuit is open between main relay and valve
 
High resistance between PCM and IAC valve control circuits
 
IAC valve circuits open, shorted to ground or shorted to power
 
IAC valve air inlet is plugged, dirty or restricted
 
IAC valve is damaged or has failed
 
Throttle body is damaged or dirty (it may need to be cleaned)
 

Trouble Code: P0511



PCM - Idle Air Control (IAC) valve assembly

Possible Causes:



IAC output circuit is open or shorted to ground
 
IAC output circuit is shorted to system power
 
IAC valve assembly is damaged or has failed
 
PCM has failed
 

Trouble Code: P0532



PCM - Air Conditioning Pressure (ACP) sensor

Possible Causes:



ACP sensor is open or shorted to ground
 
ACP sensor is shorted to system power
 
ACP sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0533



PCM - Air Conditioning Pressure (ACP) sensor

Possible Causes:



ACP sensor is open or shorted to ground
 
ACP sensor is shorted to system power
 
ACP sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0534



PCM - Air Conditioning (A/C) system

Possible Causes:



A/C system is low on Freon
 
A/C system has too much Freon
 
A/C compressor clutch is damaged or failed
 
PCM has failed
 

Trouble Code: P0552



Power Steering Pressure Switch Circuit Malfunction

Possible Causes:



Power steering switch signal circuit shorted to sensor ground
 
Power steering switch signal circuit shorted to chassis ground
 
Power steering switch is damaged or has failed
 
Engine Speed System (power steering function) is damaged
 
PCM has failed
 

Trouble Code: P0553



Power Steering Pressure Switch Circuit Malfunction

Possible Causes:



Power steering switch signal circuit shorted to sensor ground
 
Power steering switch signal circuit shorted to chassis ground
 
Power steering switch is damaged or has failed
 
Engine Speed System (power steering function) is damaged
 
PCM has failed
 

Trouble Code: P0571



Cruise Control Switch Circuit Malfunction

Possible Causes:



Cruise control switch malfunction
 
Connector or terminal malfunction
 
Short to power circuit in wiring from cruise control terminal B and PCM terminal 3P.
 
Short to ground circuit in wiring from cruise control terminal B and PCM terminal 3P
 
PCM has failed
 

Trouble Code: P0579



PCM - Vehicle Speed Signal (VSS) Malfunction

Possible Causes:



VSS malfunction
 
Connector or terminal malfunction
 
Short to power circuit in wiring from VSS and PCM terminal.
 
Short to ground circuit in wiring from VSS and PCM terminal.
 
PCM has failed
 

Trouble Code: P0581



PCM - Vehicle Speed Signal (VSS) malfunction

Possible Causes:



VSS malfunction
 
Connector or terminal malfunction
 
Short to power circuit in wiring from VSS and PCM terminal.
 
Short to ground circuit in wiring from VSS and PCM terminal.
 
PCM has failed
 

 
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