MINI 2002-05

1.6L L4 - Std 1

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1.6L L4 - Std

Trouble Code: P0030



HO2S Heater (Bank 1 Sensor 1) Control Circuit Malfunction

Possible Causes:



HO2S is contaminated (due to presence of silicone in fuel)
 
HO2S signal and ground circuit wires crossed in wiring harness
 
HO2S signal circuit is shorted to sensor or chassis ground
 
HO2S element has failed (internal short condition)
 

Trouble Code: P0031



HO2S Heater (Bank 1 Sensor 1) Circuit Low Input

Possible Causes:



HO2S is contaminated (due to presence of silicone in fuel)
 
HO2S signal and ground circuit wires crossed in wiring harness
 
HO2S signal circuit is shorted to sensor or chassis ground
 
HO2S element has failed (internal short condition)
 

Trouble Code: P0032



HO2S Heater (Bank 1 Sensor 1) Circuit High Input

Possible Causes:



HO2S signal shorted to heater power circuit inside connector
 
HO2S signal circuit shorted to ground or to system voltage
 

Trouble Code: P0036



HO2S Heater (Bank 1 Sensor 2) Control Circuit Malfunction

Possible Causes:



HO2S is contaminated (due to presence of silicone in fuel)
 
HO2S signal and ground circuit wires crossed in wiring harness
 
HO2S signal circuit is shorted to sensor or chassis ground
 
HO2S element has failed (internal short condition)
 

Trouble Code: P0037



HO2S Heater (Bank 1 Sensor 2) Circuit Low Input

Possible Causes:



HO2S is contaminated (due to presence of silicone in fuel)
 
HO2S signal and ground circuit wires crossed in wiring harness
 
HO2S signal circuit is shorted to sensor or chassis ground
 
HO2S element has failed (internal short condition)
 

Trouble Code: P0038



HO2S Heater (Bank 1 Sensor 2) Circuit High Input

Possible Causes:



HO2S signal shorted to heater power circuit inside connector
 
HO2S signal circuit shorted to ground or to system voltage
 

Trouble Code: P0053



HO2S Heater (Bank 1 Sensor 1) Control Circuit Malfunction

Possible Causes:



HO2S is contaminated (due to presence of silicone in fuel)
 
HO2S signal and ground circuit wires crossed in wiring harness
 
HO2S signal circuit is shorted to sensor or chassis ground
 
HO2S element has failed (internal short condition)
 

Trouble Code: P0054



HO2S Heater (Bank 1 Sensor 2) Circuit High Input

Possible Causes:



HO2S signal shorted to heater power circuit inside connector
 
HO2S signal circuit shorted to ground or to system voltage
 

Trouble Code: P0070



Ambient Air Temperature Sensor Malfunction

Possible Causes:



IAT sensor signal circuit is grounded (check wiring & connector)
 
Resistance value between sockets 33 and 36 out of range
 
IAT sensor has an open circuit
 
IAT sensor is damaged or it has failed
 
Ambient temperature sensor at the cluster is defective
 

Trouble Code: P0106



Manifold Pressure Sensor Circuit High

Possible Causes:



Sensor-s voltage supply on Terminal 87
 
Sensor-s ground connection faulty
 
Signal wire to DME faulty
 
Replace sensor
 

Trouble Code: P0107



Manifold Pressure Sensor Circuit Low

Possible Causes:



Sensor-s voltage supply on Terminal 87
 
Sensor-s ground connection faulty
 
Signal wire to DME faulty
 
Replace sensor
 

Trouble Code: P0108



Manifold Pressure Sensor Circuit Short to Battery

Possible Causes:



Sensor-s voltage supply on Terminal 87
 
Sensor-s ground connection faulty
 
Signal wire to DME faulty
 
Replace sensor
 

Trouble Code: P0112



Intake Air Temperature Sensor Circuit Low Input

Possible Causes:



IAT sensor signal circuit is grounded (check wiring & connector)
 
Resistance value between sockets 33 and 36 out of range
 
IAT sensor has an open circuit
 
IAT sensor is damaged or it has failed
 

Trouble Code: P0113



Intake Air Temperature Sensor Circuit High Input

Possible Causes:



IAT sensor signal circuit is open (inspect wiring & connector)
 
IAT sensor signal circuit is shorted
 
Resistance value between sockets 33 and 36 out of range
 
IAT sensor is damaged or it has failed
 

Trouble Code: P0114



Intake Air Temperature Sensor Circuit Intermittent Failure

Possible Causes:



IAT sensor signal circuit is open (inspect wiring & connector)
 
IAT sensor signal circuit is shorted
 
Resistance value between sockets 33 and 36 out of range
 
IAT sensor is damaged or it has failed
 

Trouble Code: P0117



ECT Sensor Circuit Low Input

Possible Causes:



ECT sensor signal circuit is grounded in the wiring harness
 
ECT sensor doesn-t react to changes in temperature
 
ECT sensor is damaged or the DME has failed
 

Trouble Code: P0118



ECT Sensor Circuit High Input

Possible Causes:



ECT sensor signal circuit is open (inspect wiring & connector)
 
ECT sensor signal circuit is shorted to ground
 
ECT sensor is damaged or it has failed
 

Trouble Code: P0119



ECT Sensor Circuit Continuity

Possible Causes:



ECT sensor signal circuit is open (inspect wiring & connector)
 
ECT sensor signal circuit is shorted to ground
 
ECT sensor is damaged or it has failed
 

Trouble Code: P0122



Throttle/Pedal Position Sensor Circuit Low Input

Possible Causes:



TP sensor signal circuit open (inspect wiring & connector)
 
TP sensor signal shorted to ground (inspect wiring & connector)
 
TP sensor is damaged or has failed
 
Throttle control module-s voltage supply is shorted or open
 

Trouble Code: P0123



TP Sensor Circuit High Input

Possible Causes:



TP sensor not seated correctly in housing (may be damaged)
 
TP sensor signal is circuit shorted to ground or system voltage
 
TP sensor ground circuit is open (check the wiring harness)
 
TP sensor and/or DME has failed
 

Trouble Code: P0125



ECT Sensor Insufficient for Closed Loop Fuel Control

Possible Causes:



Check for low coolant level or incorrect coolant mixture
 
DME detects a short circuit wiring in the ECT
 
CHT sensor is out-of-calibration or it has failed
 
ECT sensor is out-of-calibration or it has failed
 

Trouble Code: P0128



Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)

Possible Causes:



Check for low coolant level or incorrect coolant mixture
 
DME detects a short circuit wiring in the ECT
 
CHT sensor is out-of-calibration or it has failed
 
ECT sensor is out-of-calibration or it has failed
 
Replace the thermostat
 

Trouble Code: P0130



O2 Sensor Circuit Bank 1 Sensor 1

Possible Causes:



Oxygen sensor heater for oxygen sensor (HO2S) before catalytic converter is faulty
 
HO2S is contaminated (due to presence of silicone in fuel)
 
HO2S signal and ground circuit wires crossed in wiring harness
 
HO2S signal circuit is shorted to sensor or chassis ground
 
HO2S element before the catalytic converter has failed (internal short condition)
 
Leaks present in the exhaust manifold or exhaust pipes
 

Trouble Code: P0131



HO2S (Bank 1 Sensor 1) Circuit Low Input

Possible Causes:



HO2S is contaminated (due to presence of silicone in fuel)
 
HO2S signal and ground circuit wires crossed in wiring harness
 
HO2S signal circuit is shorted to sensor or chassis ground
 
HO2S element has failed (internal short condition)
 
Leaks present in the exhaust manifold or exhaust pipes
 

Trouble Code: P0132



HO2S (Bank 1 Sensor 1) Circuit High Input

Possible Causes:



HO2S is contaminated (due to presence of silicone in fuel)
 
HO2S signal and ground circuit wires crossed in wiring harness
 
HO2S signal circuit is shorted to sensor or chassis ground
 
HO2S element has failed (internal short condition)
 
Leaks present in the exhaust manifold or exhaust pipes
 

Trouble Code: P0133



HO2S (Bank 1 Sensor 1) Circuit Slow Response

Possible Causes:



HO2S before the three-way catalytic converter is contaminated (due to presence of silicone in fuel); Run the engine for three minutes at 3500rpm as a self-cleaning effect
 
HO2S signal circuit open
 
Leaks present in the exhaust manifold or exhaust pipes
 
HO2S is damaged or has failed
 

Trouble Code: P0135



HO2S (Bank 1 Sensor 1) Heater Circuit Malfunction

Possible Causes:



HO2S heater power circuit is open or heater ground circuit open
 
HO2S signal tracking (due to oil or moisture in the connector)
 
HO2S is damaged or has failed
 

Trouble Code: P0136



HO2S (Bank 1 Sensor 2) Circuit Malfunction

Possible Causes:



Leaks present in the exhaust manifold or exhaust pipes
 
HO2S signal wire and ground wire crossed in connector
 
HO2S element is fuel contaminated or has failed
 

Trouble Code: P0137



HO2S (Bank 1 Sensor 2) Circuit Low Input

Possible Causes:



HO2S signal shorted to heater power circuit in the connector
 
HO2S signal circuit shorted to ground (for more than 200 seconds) or to system voltage
 

Trouble Code: P0138



HO2S (Bank 1 Sensor 2) Circuit High Input

Possible Causes:



HO2S signal shorted to heater power circuit in the positive connector
 
HO2S signal circuit shorted to ground or to system voltage
 
HO2S has failed
 

Trouble Code: P0141



HO2S (Bank 1 Sensor 2) Malfunction

Possible Causes:



Leaks present in the exhaust manifold or exhaust pipes
 
HO2S signal wire and ground wire crossed in connector
 
HO2S element is fuel contaminated or has failed
 

Trouble Code: P0153



HO2S (Bank 2 Sensor 1) Circuit Slow Response

Possible Causes:



HO2S is contaminated (due to presence of silicone in fuel)
 
Leaks present in the exhaust manifold or exhaust pipes
 
HO2S is damaged or has failed
 

Trouble Code: P0154



HO2S (Bank 2 Sensor 1) Circuit No Activity

Possible Causes:



Leaks present in the exhaust manifold or exhaust pipes
 
HO2S signal wire and ground wire crossed in connector
 
HO2S element is fuel contaminated or has failed
 

Trouble Code: P0171



Fuel System Too Lean (Cylinder Bank 1)

Possible Causes:



Air leaks after the MAF sensor, or leaks in the PCV system
 
Exhaust leaks before or near where the HO2S is mounted
 
Fuel injector(s) restricted or not supplying enough fuel
 
Fuel pump not supplying enough fuel during high fuel demand conditions
 
Leaking EGR gasket, or leaking EGR valve diaphragm
 
MAF sensor dirty (causes DME to underestimate airflow)
 
Vehicle running out of fuel or engine oil dip stick not seated
 

Trouble Code: P0172



Fuel System Too Rich (Cylinder Bank 1)

Possible Causes:



Camshaft timing is incorrect, or the engine has an oil overfill condition
 
EVAP vapor recovery system failure (may be pulling vacuum)
 
Fuel pressure regulator is damaged or leaking
 
HO2S element is contaminated with alcohol or water
 
MAF or MAP sensor values are incorrect or out-of-range
 
One of more fuel injectors is leaking
 

Trouble Code: P0201



Cylinder 1 Injector Circuit Malfunction

Possible Causes:



Injector 1 connector is damaged, open or shorted
 
Injector 1 control circuit is open, shorted to ground or to power
 
(the injector driver circuit may be damaged)
 

Trouble Code: P0202



Cylinder 2 Injector Circuit Malfunction

Possible Causes:



Injector 2 connector is damaged, open or shorted
 
Injector 2 control circuit is open, shorted to ground or to power
 
(the injector driver circuit may be damaged)
 

Trouble Code: P0203



Cylinder 3 Injector Circuit Malfunction

Possible Causes:



Injector 3 connector is damaged, open or shorted
 
Injector 3 control circuit is open, shorted to ground or to power
 
(the injector driver circuit may be damaged)
 

Trouble Code: P0204



Cylinder 4 Injector Circuit Malfunction

Possible Causes:



Injector 4 connector is damaged, open or shorted
 
Injector 4 control circuit is open, shorted to ground or to power
 
(the injector driver circuit may be damaged)
 

Trouble Code: P0218



Engine Oil Over Temperature

Possible Causes:



Replace the oil temperature sensor
 
Engine Oil temperature is too high
 
Engine coolant temperature is too high
 
Highest possible gear engaged in transmission
 
Check coolant
 

 
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