Suzuki Vitara, Grand Vitara, XL7 2000-06

2.5L V6 VIN 6 Auto 1

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2.5L V6 VIN 6 Auto

Trouble Code: P0101



Mass Airflow Sensor Signal Range/Performance

Possible Causes:



Intake air system is restricted, or the air filter is clogged
 
MAF sensor signal or ground circuit has high resistance
 
MAF sensor is contaminated, damaged or has failed
 
PCM has failed
 

Trouble Code: P0102



Mass Airflow Sensor Circuit Low Input

Possible Causes:



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

Trouble Code: P0103



Mass Airflow 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



Manifold Air Pressure Sensor Circuit Low Input (High Vacuum)

Possible Causes:



MAP sensor 5-volt power circuit open or shorted to ground
 
MAP sensor signal circuit is shorted to ground
 
MAP sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0108



Manifold Air Pressure Sensor Circuit High Input (Low Vacuum)

Possible Causes:



MAP sensor signal circuit is open between sensor and the PCM
 
MAP sensor ground circuit is open between sensor and ground
 
MAP sensor signal circuit is shorted to VREF or system power
 
MAP sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0111



Intake Air Temperature Sensor Signal Range/Performance

Possible Causes:



IAT sensor connector is damaged, open or shorted
 
IAT sensor signal circuit has high resistance
 
IAT sensor ground circuit has high resistance
 
IAT sensor is contaminated, damaged or has failed
 
PCM has failed
 

Trouble Code: P0112



Intake Air Temperature Sensor Circuit Low Input

Possible Causes:



IAT sensor connector is damaged or shorted
 
IAT sensor signal circuit is shorted to sensor ground
 
IAT sensor signal circuit is shorted to chassis ground
 
IAT sensor is damaged or has failed (it may be shorted)
 
PCM has failed
 

Trouble Code: P0113



Intake Air Temperature Sensor Circuit High Input

Possible Causes:



IAT sensor connector is damaged, open or shorted
 
IAT sensor signal circuit or ground circuit is open
 
IAT sensor signal circuit is shorted to sensor VREF (5v)
 
IAT sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0116



Engine Coolant Temperature Sensor Range/Performance

Possible Causes:



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

Trouble Code: P0117



Engine Coolant Temperature Sensor Circuit Low Input

Possible Causes:



ECT sensor connector is damaged or shorted
 
ECT sensor signal circuit is shorted to sensor ground
 
ECT sensor signal circuit is shorted to chassis ground
 
ECT sensor is damaged or has failed (it may be shorted)
 
PCM has failed
 

Trouble Code: P0118



Engine Coolant Temperature Sensor Circuit High Input

Possible Causes:



ECT sensor connector is damaged, open or shorted
 
ECT sensor signal circuit is open between sensor and the PCM
 
ECT sensor signal circuit is shorted to sensor VREF (5v)
 
ECT sensor ground circuit is open between sensor and PCM
 
ECT sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0121



Throttle Position Sensor Signal Range/Performance

Possible Causes:



MAF sensor or TP sensor ground circuit has high resistance
 
MAF sensor or TP sensor is out-of-calibration
 
TP sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0122



Throttle Position Sensor Circuit Malfunction

Possible Causes:



TP sensor connector is damaged, open or shorted
 
TP sensor signal circuit is shorted to ground (intermittent fault)
 
TP sensor power circuit is open between sensor and the PCM
 
TP sensor is damaged or has failed (perform a "sweep" test)
 
PCM has failed
 

Trouble Code: P0123



Throttle Position Sensor Circuit High Input

Possible Causes:



TP sensor connector is damaged, open or shorted
 
TP sensor signal circuit is open between sensor and the PCM
 
TP sensor signal circuit is shorted to sensor VREF (5v)
 
TP sensor ground circuit is open between sensor and the PCM
 
TP sensor is damaged or has failed (perform a "sweep" test)
 
PCM has failed
 

Trouble Code: P0125



Insufficient Coolant Temperature For Closed Loop

Possible Causes:



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

Trouble Code: P0131



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

Possible Causes:



HO2S signal ground circuit is open
 
HO2S is contaminated or has failed
 
Vehicle driven until it ran out of fuel, or while very low on fuel
 
PCM has failed
 

Trouble Code: P0132



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

Possible Causes:



HO2S signal circuit is open or shorted to system power
 
Fuel supply system is too rich (fuel injector or regulator leaking)
 
HO2S is contaminated, damaged or has failed
 
PCM has failed
 
TSB TS015 (12/95) contains information related to this code
 

Trouble Code: P0133



HO2S-11 (Bank 1 Sensor 1) 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
 
TSB TS015 (12/95) contains information related to this code
 

Trouble Code: P0134



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

Possible Causes:



Air leaks in the intake manifold or exhaust manifold or pipes
 
HO2S is contaminated (wrong fuel), has deteriorated or failed
 
HO2S heater element is damaged or has failed
 
PCM has failed
 
TSB TS015 (12/95) contains information related to this code
 

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 power circuit is open (check the IG fuse)
 
HO2S heater control circuit is shorted to power
 
HO2S heater is damaged or has failed
 
PCM has failed
 

Trouble Code: P0136



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

Possible Causes:



HO2S signal circuit open (sensor signal reads over 4.5v)
 
HO2S is shorted to ground
 
HO2S signal ground circuit is open
 
HO2S is contaminated or has failed
 
Vehicle driven until it ran out of fuel, or while very low on fuel
 
PCM has failed
 

Trouble Code: P0140



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

Possible Causes:



Fuel control system problem (fuel injector leaking or restricted)
 
HO2S-12 signal circuit is open or shorted to ground
 
HO2S-12 is contaminated or has failed
 
PCM has failed
 

Trouble Code: P0141



HO2S-12 (Bank 1 Sensor 2) Heater Circuit Malfunction

Possible Causes:



HO2S heater control circuit is open or shorted to ground
 
HO2S heater power circuit is open (check the IG fuse)
 
HO2S heater control circuit is shorted to power
 
HO2S heater is damaged or has failed
 
PCM has failed
 

Trouble Code: P0151



HO2S-21 (Bank 2 Sensor 1) Circuit Low Input

Possible Causes:



HO2S is shorted to ground
 
HO2S is contaminated, damaged or it has failed
 
Vehicle driven until it ran out of fuel, or while very low on fuel
 
PCM has failed
 

Trouble Code: P0152



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

Possible Causes:



HO2S signal circuit is open or shorted to system power
 
Fuel supply system is too rich (fuel injector or regulator leaking)
 
HO2S is contaminated, damaged or has failed
 
PCM has failed
 

Trouble Code: P0153



HO2S-21 (Bank 2 Sensor 1) 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: P0154



HO2S-21 (Bank 2 Sensor 1) No Activity Detected

Possible Causes:



Air leaks in the intake manifold or exhaust manifold or pipes
 
HO2S is contaminated (wrong fuel), has deteriorated or failed
 
HO2S heater element is damaged or has failed
 
PCM has failed
 

Trouble Code: P0155



HO2S-21 (Bank 2 Sensor 1) Heater Circuit Malfunction

Possible Causes:



HO2S heater control circuit is open or shorted to ground
 
HO2S heater power circuit is open (check the IG fuse)
 
HO2S heater control circuit is shorted to power
 
HO2S heater is damaged or has failed
 
PCM has failed
 

Trouble Code: P0156



HO2S-22 (Bank 2 Sensor 2) Range/Performance

Possible Causes:



HO2S signal circuit open (sensor signal reads over 4.5v)
 
HO2S is shorted to ground
 
HO2S signal ground circuit is open
 
HO2S is contaminated or has failed
 
Vehicle driven until it ran out of fuel, or while very low on fuel
 
PCM has failed
 

Trouble Code: P0160



HO2S-22 (Bank 2 Sensor 2) Circuit No Activity

Possible Causes:



Fuel control system problem (fuel injector leaking or restricted)
 
HO2S-22 signal circuit is open or shorted to ground
 
HO2S-22 is contaminated or has failed
 
PCM has failed
 

Trouble Code: P0161



HO2S-22 (Bank 2 Sensor 2) Heater Circuit Malfunction

Possible Causes:



HO2S heater control circuit is open or shorted to ground
 
HO2S heater power circuit is open (check the IG fuse)
 
HO2S heater control circuit is shorted to power
 
HO2S heater is damaged or has failed
 
PCM has failed
 

Trouble Code: P0171



Fuel System Too Lean (Bank 1)

Possible Causes:



Air leaks after the MAF sensor, or in the EGR or PCV system
 
Base engine "mechanical" fault affecting one or more cylinders
 
Exhaust leaks before or near where the front HO2S is mounted
 
Fuel control sensor is out of calibration (i.e., ECT, IAT or MAP)
 
Fuel delivery system supplying too little fuel during cruise or idle periods (e.g., faulty fuel pump or dirty, restricted fuel filter)
 
Fuel injector (one or more) dirty or pressure regulator has failed
 
HO2S is contaminated, deteriorated or it has failed
 
Vehicle driven low on fuel or until it ran out of fuel
 

Trouble Code: P0172



Fuel System Too Rich (Bank 1)

Possible Causes:



Base engine "mechanical" fault affecting one or more cylinders
 
EVAP system component has failed or canister fuel saturated
 
Fuel control sensor is out of calibration (i.e., ECT, IAT or MAP)
 
Fuel delivery system supplying too much fuel during cruise or idle periods (e.g., faulty fuel pump, or faulty pressure regulator)
 
Fuel injector(s) is leaking or stuck partially open (one or more)
 
HO2S is contaminated, deteriorated or it has failed
 

Trouble Code: P0174



Fuel System Too Lean (Bank 2)

Possible Causes:



Air leaks after the MAF sensor, or in the EGR or PCV system
 
Base engine "mechanical" fault affecting one or more cylinders
 
Exhaust leaks before or near where the front HO2S is mounted
 
Fuel control sensor is out of calibration (i.e., ECT, IAT or MAP)
 
Fuel delivery system supplying too little fuel during cruise or idle periods (e.g., faulty fuel pump or dirty, restricted fuel filter)
 
Fuel injector (one or more) dirty or pressure regulator has failed
 
HO2S is contaminated, deteriorated or it has failed
 
Vehicle driven low on fuel or until it ran out of fuel
 

Trouble Code: P0175



Fuel System Too Rich (Bank 2)

Possible Causes:



Base engine "mechanical" fault affecting one or more cylinders
 
EVAP system component has failed or canister fuel saturated
 
Fuel control sensor is out of calibration (i.e., ECT, IAT or MAP)
 
Fuel delivery system supplying too much fuel during cruise or idle periods (e.g., faulty fuel pump, or faulty pressure regulator)
 
Fuel injector(s) is leaking or stuck partially open (one or more)
 
HO2S is contaminated, deteriorated or it has failed
 

Trouble Code: P0300



Multiple Cylinder Misfire Detected

Possible Causes:



Air leak in the intake manifold, or in the EGR or PCM system
 
Base engine mechanical fault that affects two or more cylinders
 
Fuel delivery component fault that affects two or more cylinders (i.e., one or more contaminated, dirty or sticking fuel injectors)
 
Ignition system problem (coil or plug) in two or more cylinders
 

Trouble Code: P0301



Cylinder 1 Misfire Detected

Possible Causes:



Air leak in the intake manifold, or in the EGR or PCM system
 
Base engine mechanical fault that affects only Cylinder 1
 
Fuel delivery component fault that affects only Cylinder 1 (i.e., a contaminated, dirty or sticking fuel injector)
 
Ignition system fault (coil or plug) that affects only Cylinder 1
 

Trouble Code: P0302



Cylinder 2 Misfire Detected

Possible Causes:



Air leak in the intake manifold, or in the EGR or PCM system
 
Base engine mechanical fault that affects only Cylinder 2
 
Fuel delivery component fault that affects only Cylinder 2 (i.e., a contaminated, dirty or sticking fuel injector)
 
Ignition system fault (coil or plug) that affects only Cylinder 2
 

Trouble Code: P0303



Cylinder 3 Misfire Detected

Possible Causes:



Air leak in the intake manifold, or in the EGR or PCM system
 
Base engine mechanical fault that affects only Cylinder 3
 
Fuel delivery component fault that affects only Cylinder 3 (i.e., a contaminated, dirty or sticking fuel injector)
 
Ignition system fault (coil or plug) that affects only Cylinder 3
 

Trouble Code: P0304



Cylinder 4 Misfire Detected

Possible Causes:



Air leak in the intake manifold, or in the EGR or PCM system
 
Base engine mechanical fault that affects only Cylinder 4
 
Fuel delivery component fault that affects only Cylinder 4 (i.e., a contaminated, dirty or sticking fuel injector)
 
Ignition system fault (coil or plug) that affects only Cylinder 4
 

 
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