Mazda Tribute 2001-06

3.0L V6 - Auto 5

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Trouble Code: P0721



Output Shaft Sensor Circuit Signal Erratic

Possible Causes:



OSS (+) circuit is open or shorted to ground (noisy circuit)
 
OSS (-) circuit is open or shorted to ground (noisy circuit)
 
OSS reluctor contains metal chips or is damaged
 
OSS is damaged or has failed
 
PCM has failed
 

Trouble Code: P0722



Output Shaft Sensor Circuit Signal Intermittent

Possible Causes:



OSS (+) circuit is open or shorted to ground (intermittent)
 
OSS (-) circuit is open or shorted to ground (intermittent)
 
OSS is damaged or has failed
 
PCM has failed
 

Trouble Code: P0725



Engine Speed Signal Circuit Malfunction

Possible Causes:



CMP sensor signal erratic or missing (an intermittent fault)
 
PCM to TCM circuit is open or shorted to ground
 
TCM has failed
 
PCM has failed
 

Trouble Code: P0730



Engine Speed Signal Circuit Malfunction

Possible Causes:



CMP sensor signal erratic or missing (an intermittent fault)
 
PCM to TCM circuit is open or shorted to ground
 
PCM or the TCM has failed
 

Trouble Code: P0731



Transmission 1st Gear Ratio Incorrect

Possible Causes:



ATF level is too low, or the ATF is badly deteriorated
 
A/T line pressure is low, or the oil pump has failed
 
SSA, SSB, SSC or the PCS is stuck (mechanical fault)
 
A/T 1-2 clutch is slipping (mechanical fault)
 
A/T 1-2 shift valve is stuck (mechanical fault)
 
A/T Pressure regulator or the pressure modifier valve is stuck
 
A/T solenoid reducing valve is stuck (mechanical fault)
 
PCM has failed
 

Trouble Code: P0732



Transmission 2nd Gear Ratio Incorrect

Possible Causes:



ATF level is too low, or the ATF is badly deteriorated
 
A/T line pressure is low, or the oil pump has failed
 
SSA, SSB, SSC or the PCS is stuck (mechanical fault)
 
A/T 2-3 clutch is slipping (mechanical fault)
 
A/T 1-2 or the 2-3 shift valve is stuck (mechanical fault)
 
A/T Pressure regulator or the pressure modifier valve is stuck
 
A/T solenoid reducing valve is stuck (mechanical fault)
 
PCM has failed
 

Trouble Code: P0733



Transmission 3rd Gear Ratio Incorrect

Possible Causes:



ATF level is too low, or the ATF is badly deteriorated
 
A/T line pressure is low, or the oil pump has failed
 
SSA, SSB, SSC or the PCS is stuck (mechanical fault)
 
A/T 3-4 clutch is slipping (mechanical fault)
 
A/T 2-3 or the 3-4 shift valve is stuck (mechanical fault)
 
A/T Pressure regulator or the pressure modifier valve is stuck
 
A/T solenoid reducing valve is stuck (mechanical fault)
 
PCM has failed
 

Trouble Code: P0734



Transmission 4th Gear Ratio Incorrect

Possible Causes:



ATF level is too low, or the ATF is badly deteriorated
 
A/T line pressure is low, or the oil pump has failed
 
SSA, SSB, SSC or the PCS is stuck (mechanical fault)
 
A/T 2-4 brake bank or 3-4 clutch is slipping (mechanical fault)
 
A/T 1-2, 2-3 or 3-4 shift valve is stuck (mechanical fault)
 
A/T Pressure regulator, pressure modifier or solenoid reducing valve is stuck
 
PCM has failed
 

Trouble Code: P0740



Torque Converter Clutch System Malfunction

Possible Causes:



ATF level is too low, or the ATF is badly deteriorated
 
A/T line pressure is low, or the oil pump has failed
 
A/T control valve has failed (it may be stuck)
 
TCC solenoid valve or pressure control valve is stuck
 
TCC in the torque converter is slipping (mechanical fault)
 
TCC shift valve or converter relief valve is stuck
 
Pressure modifier or the pressure regulator valve is stuck
 
Solenoid reducing valve is stuck (mechanical fault)
 
PCM has failed
 

Trouble Code: P0741



Torque Converter Clutch Control Engagement Error

Possible Causes:



Brake switch is damaged, out of adjustment or has failed
 
Engine performance conditions are erratic or unstable
 
Engine or transmission temperature is too high
 
TCC control valve is stuck in the -off- position
 
An internal transaxle component is damaged or has failed
 
PCM has failed
 

Trouble Code: P0743



Torque Converter Clutch Solenoid Circuit Malfunction

Possible Causes:



TCC control circuit is open (continuous high signal)
 
TCC control circuit is shorted to ground (continuous low signal)
 
TCC control circuit is shorted to system power (B+)
 
TCC solenoid is damaged or has failed
 
PCM has failed
 

Trouble Code: P0745



Electronic Pressure Control Solenoid Circuit Malfunction

Possible Causes:



PCS control circuit is open (continuous high signal)
 
PCS control circuit is shorted to ground (continuous low signal)
 
PCS control circuit is shorted to system power (B+)
 
PCS is damaged or has failed
 
PCM has failed
 

Trouble Code: P0750



A/T Shift Solenoid -A- Circuit Malfunction

Possible Causes:



SSA control circuit is open (continuous high signal)
 
SSA control circuit is shorted to ground (continuous low signal)
 
SSA control circuit is shorted to system power (B+)
 
SSA is damaged or has failed
 
PCM has failed
 

Trouble Code: P0751



A/T Shift Solenoid -A- Performance (Mechanical)

Possible Causes:



SSA is stuck in -off- position (mechanical problem)
 
SSA is damaged is damaged or has failed (mechanical fault)
 
SSA has a hydraulic problem
 
PCM has failed
 

Trouble Code: P0752



A/T Shift Solenoid -A- Performance (Mechanical)

Possible Causes:



ATF level is too low, or the ATF is badly deteriorated
 
A/T line pressure is low, or the oil pump has failed
 
A/T control valve is stuck, or it is damaged (a mechanical fault)
 
SSA is stuck -on-, or is damaged (a mechanical fault)
 
Transmission is damaged or has failed
 
TCM has failed
 

Trouble Code: P0753



A/T Shift Solenoid -B- Circuit Malfunction

Possible Causes:



SSB control circuit is open (continuous high signal)
 
SSB control circuit is shorted to ground (continuous low signal)
 
SSB control circuit is shorted to system power (B+)
 
SSB is damaged or has failed
 
PCM has failed
 

Trouble Code: P0755



A/T Shift Solenoid -B- Circuit Malfunction

Possible Causes:



SSB control circuit is open (continuous high signal)
 
SSB control circuit is shorted to ground (continuous low signal)
 
SSB control circuit is shorted to system power (B+)
 
SSB is damaged or has failed
 
PCM has failed
 

Trouble Code: P0756



A/T Shift Solenoid -B- Performance (Mechanical)

Possible Causes:



SSB is stuck in -on- position (a mechanical fault)
 
SSB is damaged is damaged or has failed (a mechanical fault)
 
SSB has a hydraulic problem
 
PCM has failed
 

Trouble Code: P0757



A/T Shift Solenoid -B- Performance (Mechanical)

Possible Causes:



ATF level is too low, or the ATF is badly deteriorated
 
A/T SSB is stuck -on-, or it is damaged (a mechanical fault)
 
A/T control valve is stuck, or it is damaged (a mechanical fault)
 
PCM has failed
 

Trouble Code: P0758



A/T Shift Solenoid -B- Circuit Malfunction

Possible Causes:



SSB control circuit is open (continuous high signal)
 
SSB control circuit is shorted to ground (continuous low signal)
 
SSB control circuit is shorted to system power (B+)
 
SSB is damaged or has failed
 
PCM has failed
 

Trouble Code: P1001



Data Link Connector Circuit Malfunction

Possible Causes:



DLC connector or the related terminals/pins are damaged
 
DLC Bus (+) circuit is open or shorted to ground
 
DLC Bus (+) circuit is shorted at an associated module
 
DLC ground circuit is open or has a high resistance condition
 
PCM power relay is damaged or has failed (no power to DLC)
 
Incorrect Self-Test procedure followed, or idle speed to low
 
PCM has failed (e.g., the PCM VREF may be out-of-range)
 

Trouble Code: P1100



Mass Airflow Sensor Circuit Malfunction (Intermittent)

Possible Causes:



MAF sensor continuity problems at the connector or harness
 
MAF sensor circuit is open (the fault may be intermittent)
 
MAF sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P1101



Mass Airflow Sensor Malfunction (Self-Test)

Possible Causes:



MAF sensor is damaged, dirty or has failed
 
MAF sensor (inlet) screen is dirty or blocked
 
An intake air leak is present near the MAF sensor location
 
PCM has failed
 

Trouble Code: P1102



MAF Signal Inconsistent With TP Sensor (Too Low)

Possible Causes:



MAF sensor signal circuit is open or grounded (intermittent)
 
MAF sensor is damaged, dirty or has failed
 
MAF sensor (inlet) screen is dirty or blocked
 
TP sensor is damaged or erratic in operation
 
PCM has failed
 

Trouble Code: P1103



MAF Signal Inconsistent with Engine Speed (Too High)

Possible Causes:



MAF sensor signal circuit is open or grounded (intermittent)
 
MAF sensor is damaged, dirty or has failed
 
MAF sensor (inlet) screen is dirty or blocked
 
An intake air leak is present near the MAF sensor location
 
PCM has failed
 

Trouble Code: P1110



Intake Air Temperature Sensor Circuit Malfunction (Dynamic Chamber)

Possible Causes:



IAT sensor signal circuit open or shorted to ground
 
IAT sensor ground circuit open between sensor and the PCM
 
IAT sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P1112



Intake Air Temperature Sensor Signal Circuit Malfunction

Possible Causes:



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

Trouble Code: P1113



Intake Air Temperature Sensor Circuit Malfunction

Possible Causes:



IAT sensor signal circuit open or shorted to ground
 
IAT sensor ground circuit open between sensor and the PCM
 
IAT sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P1116



Engine Coolant Temperature Sensor Circuit Malfunction (Self-Test)

Possible Causes:



ECT sensor signal circuit open or shorted to ground
 
ECT sensor signal shorted to VREF or system power
 
ECT sensor
 

Trouble Code: P1117



Engine Coolant Temperature Sensor Circuit Malfunction

Possible Causes:



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

Trouble Code: P1120



TP Sensor Signal Out of Range Low

Possible Causes:



TP sensor contacts are loose, broken or damaged
 
TP sensor pins are loose in the connector
 
TP sensor signal circuit shorted to ground (an intermittent fault)
 
TP sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P1121



Throttle Position Signal Not Consistent With MAF Signal

Possible Causes:



MAF sensor is damaged or has failed
 
TP sensor is damaged or has failed
 
Air leaks between the MAF sensor and the throttle body
 
PCM has failed
 

Trouble Code: P1122



Throttle Position Signal Low Input (Stuck Closed)

Possible Causes:



TP sensor is broken damaged or has failed
 
TP sensor signal circuit is corroded or shorted in the connector
 
High resistance in the VREF circuit or intermittent loss of VREF
 
PCM has failed
 

Trouble Code: P1123



Throttle Position Signal High Input (Stuck Open)

Possible Causes:



TP sensor is broken damaged or has failed
 
MAF sensor has drifted out-of-calibration, or it is contaminated
 
TP sensor signal circuit is corroded or shorted in the connector
 
High resistance in the TP sensor ground circuit
 
PCM has failed
 

Trouble Code: P1124



Throttle Position Sensor Signal Out Of Range (Self-Test)

Possible Causes:



Throttle linkage is bent or binding
 
TP sensor is not seated properly
 
Throttle plate below closed throttle position, or throttle plate screw misadjusted
 
TP sensor is damaged
 
PCM has failed
 

Trouble Code: P1125



Throttle Position Sensor Signal Circuit Malfunction

Possible Causes:



TP sensor wiring harness is open (an intermittent fault)
 
TP sensor connector or pins are open (an intermittent fault)
 
TP sensor signal circuit is open (an intermittent fault)
 
TP sensor signal circuit is grounded (an intermittent fault)
 

Trouble Code: P1127



HO2S-12 (Bank 1 Sensor 2) Heater Not Enabled (Self-Test)

Possible Causes:



Engine not operated long enough prior to starting the KOER Self-Test
 
Exhaust system temperature is too cold to run the test
 

Trouble Code: P1130



HO2S-11 (Bank 1 Sensor 1) Fuel Control Limit Reached

Possible Causes:



HO2S is damaged or has failed
 
HO2S circuits wet or oily, corroded, or poor terminal contact
 
HO2S signal circuit open, shorted to ground, short to power
 
Low fuel pressure or vehicle driven until it was out of fuel
 
Fuel pressure regulator leaking, or fuel injectors leaking
 
EVAP vapor recovery system has failed
 
Air leaks located after the MAF sensor
 
Exhaust leaks before or near the front HO2S
 
EGR valve stuck, EGR diaphragm leaking, or gasket leaking
 
Oil dipstick not seated or engine oil level too high (overfilled)
 

Trouble Code: P1131



HO2S-11 (Bank 1 Sensor 1) Indicates A/F Ratio Too Lean

Possible Causes:



Air leaks located after the MAF sensor
 
Base Engine: Check for vacuum leaks with a Smoke Tester
 
Intake air system is leaking, obstructed and damaged
 
Low fuel pressure or vehicle driven until it was out of fuel
 
PCV system has air leaks at the valve or related hoses
 

Trouble Code: P1132



HO2S-11 (Bank 1 Sensor 1) Indicates A/F Ratio Too Lean

Possible Causes:



Air leaks located after the MAF sensor
 
Base Engine: Check for vacuum leaks with a Smoke Tester
 
Intake air system is leaking, obstructed and damaged
 
Low fuel pressure or vehicle driven until it was out of fuel
 
PCV system has air leaks at the valve or related hoses
 

 
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