Mazda Tribute 2001-06

3.0L V6 VIN 1 Auto 1

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3.0L V6 VIN 1 Auto

Trouble Code: P0031



HO2S-11 (Bank 1 Sensor 1) Heater Circuit Low Input

Possible Causes:



HO2S heater control circuit is shorted to chassis ground
 
HO2S heater is damaged or has failed
 
PCM has failed
 

Trouble Code: P0032



HO2S-11 (Bank 1 Sensor 1) Heater Circuit High Input

Possible Causes:



HO2S heater control circuit is shorted to system power (B+)
 
HO2S heater is damaged or has failed
 
PCM has failed
 

Trouble Code: P0037



HO2S-12 (Bank 1 Sensor 2) Heater Circuit Low Input

Possible Causes:



HO2S heater control circuit is shorted to chassis ground
 
HO2S heater is damaged or has failed
 
PCM has failed
 

Trouble Code: P0038



HO2S-12 (Bank 1 Sensor 2) Heater Circuit High Input

Possible Causes:



HO2S heater control circuit is shorted to system power (B+)
 
HO2S heater is damaged or has failed
 
PCM has failed
 

Trouble Code: P0040



HO2S-12 (Bank 1 Sensor 2) Heater Circuit High Input

Possible Causes:



HO2S heater control circuit is shorted to system power (B+)
 
HO2S heater is damaged or has failed
 
PCM has failed
 

Trouble Code: P0041



HO2S-12 (Bank 1 Sensor 2) Heater Circuit High Input

Possible Causes:



HO2S heater control circuit is shorted to system power (B+)
 
HO2S heater is damaged or has failed
 
PCM has failed
 

Trouble Code: P0043



HO2S-12 (Bank 1 Sensor 2) Heater Circuit High Input

Possible Causes:



HO2S heater control circuit is shorted to system power (B+)
 
HO2S heater is damaged or has failed
 
PCM has failed
 

Trouble Code: P0044



HO2S-12 (Bank 1 Sensor 2) Heater Circuit High Input

Possible Causes:



HO2S heater control circuit is shorted to system power (B+)
 
HO2S heater is damaged or has failed
 
PCM has failed
 

Trouble Code: P0051



HO2S-11 (Bank 1 Sensor 1) Heater Circuit Low Input

Possible Causes:



HO2S heater control circuit is shorted to chassis ground
 
HO2S heater is damaged or has failed
 
PCM has failed
 

Trouble Code: P0052



HO2S-21 (Bank 2 Sensor 1) Heater Circuit High Input

Possible Causes:



HO2S heater control circuit is shorted to system power (B+)
 
HO2S heater is damaged or has failed
 
PCM has failed
 

Trouble Code: P0053



HO2S-12 (Bank 1 Sensor 2) Heater Circuit High Input

Possible Causes:



HO2S heater control circuit is shorted to system power (B+)
 
HO2S heater is damaged or has failed
 
PCM has failed
 

Trouble Code: P0054



HO2S-12 (Bank 1 Sensor 2) Heater Circuit High Input

Possible Causes:



HO2S heater control circuit is shorted to system power (B+)
 
HO2S heater is damaged or has failed
 
PCM has failed
 

Trouble Code: P0059



HO2S-12 (Bank 1 Sensor 2) Heater Circuit High Input

Possible Causes:



HO2S heater control circuit is shorted to system power (B+)
 
HO2S heater is damaged or has failed
 
PCM has failed
 

Trouble Code: P0060



HO2S-12 (Bank 1 Sensor 2) Heater Circuit High Input

Possible Causes:



HO2S heater control circuit is shorted to system power (B+)
 
HO2S heater is damaged or has failed
 
PCM has failed
 

Trouble Code: P0068



PCM - Mass Air Flow (MAF/IAT) Sensor - Throttle Position (TP) Sensor

Possible Causes:



TP Sensor has failed
 
PCM has failed
 

Trouble Code: P0100



MAF or VAF Sensor Circuit Malfunction

Possible Causes:



MAF sensor signal circuit is open or shorted to ground
 
MAF sensor power circuit is open or the ground circuit is open
 
MAF sensor is damaged or has failed
 
PCM has failed
 
TSB SSP056 (2/02) contains a MAF sensor warranty (Protege)
 

Trouble Code: P0102



MAF Sensor Circuit Low Input

Possible Causes:



MAF sensor signal circuit is open
 
MAF sensor signal is shorted to ground
 
MAF sensor power circuit is open
 
MAF sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0103



MAF Sensor Circuit High Input

Possible Causes:



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

Trouble Code: P0107



BARO Sensor Circuit Low Input

Possible Causes:



EGR Boost sensor signal circuit is shorted to ground
 
EGR boost sensor VREF circuit is open or shorted to ground
 
EGR Boost sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0108



BARO Sensor Circuit High Input

Possible Causes:



EGR boost sensor signal circuit open from sensor to the PCM
 
EGR boost sensor ground circuit open from sensor to the PCM
 
EGR Boost sensor signal circuit is shorted to VREF or power
 
EGR Boost sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0109



BARO Sensor Circuit High Input

Possible Causes:



MAP sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0112



Intake Air Temperature Sensor Circuit Low Input

Possible Causes:



IAT sensor signal circuit is shorted to ground
 
IAT sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0113



Intake Air Temperature Sensor Circuit High Input

Possible Causes:



IAT sensor signal circuit is open
 
IAT sensor signal circuit is shorted to VREF or system power
 
IAT sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0114



PCM - Intake Air Temperature (IAT) Sensor

Possible Causes:



IAT sensor signal circuit is open
 
IAT sensor signal circuit is shorted to VREF or system power
 
IAT sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0116



Engine Coolant Temperature Sensor Circuit Performance Problem

Possible Causes:



ECT sensor malfunction
 
Poor connection at ECT sensor or PCM connector
 
PCM malfunction
 

Trouble Code: P0117



Engine Coolant Temperature Sensor Circuit Low Input

Possible Causes:



ECT sensor signal circuit is shorted to ground
 
ECT sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0118



Engine Coolant Temperature Sensor Circuit High Input

Possible Causes:



ECT sensor signal circuit is open
 
ECT sensor signal circuit is shorted to VREF or system power
 
ECT sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0119



PCM - Engine Coolant Temperature (ECT) Sensor/Coolant Head Temperature (CHT) Sensor

Possible Causes:



ECT / CHT sensor signal circuit is open
 
ECT / CHT sensor signal circuit is shorted to VREF or system power
 
ECT / CHT sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0121



TP Sensor In-Range Operating Circuit Malfunction

Possible Causes:



TP sensor signal circuit is open to the PCM (intermittent fault)
 
TP sensor ground circuit is open
 
Throttle body is damaged or throttle linkage is bent or binding
 
TP sensor is damaged or has failed
 

Trouble Code: P0122



TP Sensor Circuit Low Input

Possible Causes:



TP sensor signal circuit is shorted to ground
 
TP sensor VREF circuit is open or shorted to ground
 
Throttle body is damaged
 
Throttle linkage is bent or binding (sticking)
 
TP sensor is damaged or has failed
 

Trouble Code: P0123



TP Sensor Circuit High Input

Possible Causes:



TP sensor signal return circuit is open
 
TP sensor signal circuit is shorted to VREF or system power
 
TP sensor not mounted properly to the throttle body
 
TP sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0125



Excessive Time To Enter Closed Loop

Possible Causes:



Inspect for low coolant level or an incorrect coolant mixture
 
Check the operation of the thermostat (it may be stuck open)
 
ECT sensor signal circuit has high resistance
 
ECT sensor has failed
 

Trouble Code: P0128



Thermostat Malfunction

Possible Causes:



Check the operation of the thermostat (it may be stuck open)
 
ECT sensor has failed
 
PCM has failed
 

Trouble Code: P0131



HO2S-11 (Bank 1 Sensor 1) Circuit Malfunction

Possible Causes:



HO2S is water or fuel contaminated
 
HO2S is damaged or has failed
 
PCM has failed
 

Trouble Code: P0132



HO2S-11 (Bank 1 Sensor 1) Circuit Malfunction

Possible Causes:



HO2S is water or fuel contaminated
 
HO2S is damaged or has failed
 
PCM has failed
 

Trouble Code: P0133



HO2S-11 (Bank 1 Sensor 1) Circuit Slow Response

Possible Causes:



Air leaks in the intake manifold or exhaust manifold or pipes
 
IAT sensor or MAF sensor has deteriorated (out of calibration)
 
HO2S signal circuit is open or shorted to ground (intermittent)
 
HO2S contaminated with wrong fuel, has deteriorated or failed
 
PCM has failed
 

Trouble Code: P0134



HO2S-11 (Bank 1 Sensor 1) Circuit No Activity Detected

Possible Causes:



Air leaks in the intake manifold or exhaust manifold or pipes
 
IAT sensor or MAF sensor has deteriorated (out of calibration)
 
HO2S signal circuit is open or shorted to ground (intermittent)
 
HO2S contaminated with wrong fuel, has deteriorated or failed
 
PCM has failed
 

Trouble Code: P0135



HO2S-11 (Bank 1 Sensor 1) Heater Circuit Malfunction

Possible Causes:



HO2S heater control circuit is open or shorted to ground
 
HO2S heater control circuit is shorted to system power (B+)
 
HO2S heater power circuit open between the heater and PCM
 
HO2S heater is damaged or has failed
 
PCM has failed (it controls the heater with a duty cycle signal)
 

Trouble Code: P0136



HO2S-12 (Bank 1 Sensor 2) No Activity Detected

Possible Causes:



Air leaks in the intake manifold or exhaust manifold or pipes
 
IAT sensor or MAF sensor has deteriorated (out of calibration)
 
HO2S signal circuit is open or shorted to ground
 
HO2S contaminated with wrong fuel, has deteriorated or failed
 
PCM has failed
 

Trouble Code: P0138



HO2S-12 (Bank 1 Sensor 2) Circuit High Input

Possible Causes:



HO2S signal tracking (wet/oily) in connector causing a short between the signal circuit and heater power circuit
 
HO2S signal circuit is shorted to system power HO2S contaminated with wrong fuel, has deteriorated or failed
 
PCM has failed
 

 
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