BMW Cars 1999-06

4.4L V8 - Auto 5

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Trouble Code: P0740



TCC Solenoid Circuit Malfunction

Possible Causes:



TCC solenoid control circuit is open or shorted to ground
 
TCC solenoid wiring harness connector is damaged
 
TCC solenoid is damaged or has failed
 

Trouble Code: P0741



TCC Mechanical System Range/Performance

Possible Causes:



TCC solenoid has a mechanical failure
 
TCC solenoid has a hydraulic failure
 

Trouble Code: P0743



TCC Solenoid Circuit Malfunction

Possible Causes:



TCC solenoid control circuit is open or shorted to ground
 
TCC solenoid wiring harness connector is damaged
 
TCC solenoid is damaged or has failed
 

Trouble Code: P0745



Pressure Regulator Valve 1 Plausibility

Possible Causes:



Pressure control solenoid circuit is shorting to ground
 
Pressure control solenoid circuit is open
 
Valve has failed
 
TCM has failed
 

Trouble Code: P0748



Pressure Regulator Valve 2 Upper Threshold

Possible Causes:



Pressure control solenoid circuit is shorting to ground
 
Pressure control solenoid circuit is open
 
Valve has failed
 
TCM has failed
 

Trouble Code: P0750



Shift Solenoid "A" Circuit Continuity Short to Battery

Possible Causes:



Solenoid valves in valve body are faulty
 
Solenoid circuit is shorting to ground
 
Solenoid circuit is open
 
TCM has failed or wiring is shorting
 

Trouble Code: P0751



Solenoid Valve 1 Plausibility

Possible Causes:



Pressure control solenoid circuit is shorting to ground
 
Pressure control solenoid circuit is open
 
Valve has failed
 
TCM has failed
 

Trouble Code: P0752



A/T Shift Solenoid 1/A Function Range/Performance

Possible Causes:



SS1/A solenoid is stuck in the "on" position
 
SS1/A solenoid has a mechanical failure
 
SS1/A solenoid has a hydraulic failure
 

Trouble Code: P0753



Solenoid Valve 1 Upper Threshold

Possible Causes:



Pressure control solenoid circuit is shorting to ground
 
Pressure control solenoid circuit is open
 
Valve has failed
 
TCM has failed
 

Trouble Code: P0755



Shift Solenoid "B" Circuit Continuity Short to Battery

Possible Causes:



Solenoid valves in valve body are faulty
 
Solenoid circuit is shorting to ground
 
Solenoid circuit is open
 
TCM has failed or wiring is shorting
 

Trouble Code: P0756



Solenoid Valve 2 Plausibility

Possible Causes:



Pressure control solenoid circuit is shorting to ground
 
Pressure control solenoid circuit is open
 
Valve has failed
 
TCM has failed
 

Trouble Code: P0757



A/T Shift Solenoid 2/B Function Range/Performance

Possible Causes:



SS2/B solenoid is stuck in the "on" position
 
SS2/B solenoid has a mechanical failure
 
SS2/B solenoid has a hydraulic failure
 

Trouble Code: P0758



Solenoid Valve 2 Upper Threshold

Possible Causes:



Pressure control solenoid circuit is shorting to ground
 
Pressure control solenoid circuit is open
 
Valve has failed
 
TCM has failed
 

Trouble Code: P0760



Shift Solenoid "C" Circuit Continuity Short to Battery

Possible Causes:



Solenoid valves in valve body are faulty
 
Solenoid circuit is shorting to ground
 
Solenoid circuit is open
 
TCM has failed or wiring is shorting
 

Trouble Code: P0761



Solenoid Valve 3 Plausibility

Possible Causes:



Pressure control solenoid circuit is shorting to ground
 
Pressure control solenoid circuit is open
 
Valve has failed
 
TCM has failed
 

Trouble Code: P0762



A/T Shift Solenoid 3/C Function Range/Performance

Possible Causes:



SS3/C solenoid may be stuck -on-
 
SS3/C solenoid has a mechanical failure
 
SS3/C solenoid has a hydraulic failure
 

Trouble Code: P0763



Solenoid Valve 3 Upper Threshold

Possible Causes:



Pressure control solenoid circuit is shorting to ground
 
Pressure control solenoid circuit is open
 
Valve has failed
 
TCM has failed
 

Trouble Code: P0775



Pressure Regulator Valve 2 Plausibility

Possible Causes:



Pressure control solenoid circuit is shorting to ground
 
Pressure control solenoid circuit is open
 
Valve has failed
 
TCM has failed
 

Trouble Code: P0778



Pressure Control Solenoid "B" Electrical

Possible Causes:



Shift Solenoid connector is damaged, open or shorted
 
Shift Solenoid control circuit is open
 
Shift Solenoid control circuit is shorted to ground
 
Shift Solenoid is damaged or it has failed
 

Trouble Code: P0782



2-3 Shift Range Monitoring

Possible Causes:



Solenoid valves in valve body are faulty
 
Solenoid circuit is shorting to ground
 
Solenoid circuit is open
 
TCM has failed or wiring is shorting
 
Mechanical malfunction in transmission
 

Trouble Code: P0783



3-4 Shift Range Monitoring

Possible Causes:



Solenoid valves in valve body are faulty
 
Solenoid circuit is shorting to ground
 
Solenoid circuit is open
 
TCM has failed or wiring is shorting
 
Mechanical malfunction in transmission
 

Trouble Code: P0795



Pressure Regulator Valve 3 Plausibility

Possible Causes:



Pressure control solenoid circuit is shorting to ground
 
Pressure control solenoid circuit is open
 
Valve has failed
 
TCM has failed
 

Trouble Code: P0962



Pressure Regulator Valve 1 Lower Threshold

Possible Causes:



Pressure control solenoid circuit is shorting to ground
 
Pressure control solenoid circuit is open
 
Valve has failed
 
TCM has failed
 

Trouble Code: P0963



Pressure Regulator Valve 1 Upper Threshold

Possible Causes:



Pressure control solenoid circuit is shorting to ground
 
Pressure control solenoid circuit is open
 
Valve has failed
 
TCM has failed
 

Trouble Code: P0966



Pressure Regulator Valve 2 Lower Threshold

Possible Causes:



Pressure control solenoid circuit is shorting to ground
 
Pressure control solenoid circuit is open
 
Valve has failed
 
TCM has failed
 

Trouble Code: P0967



Pressure Regulator Valve 2 Upper Threshold

Possible Causes:



Pressure control solenoid circuit is shorting to ground
 
Pressure control solenoid circuit is open
 
Valve has failed
 
TCM has failed
 

Trouble Code: P0970



Pressure Regulator Valve 3 Lower Threshold

Possible Causes:



Pressure control solenoid circuit is shorting to ground
 
Pressure control solenoid circuit is open
 
Valve has failed
 
TCM has failed
 

Trouble Code: P0971



Pressure Regulator Valve 3 Upper Threshold

Possible Causes:



Pressure control solenoid circuit is shorting to ground
 
Pressure control solenoid circuit is open
 
Valve has failed
 
TCM has failed
 

Trouble Code: P0973



Solenoid Valve 1 Lower Threshold

Possible Causes:



Pressure control solenoid circuit is shorting to ground
 
Pressure control solenoid circuit is open
 
Valve has failed
 
TCM has failed
 

Trouble Code: P0979



Solenoid Valve 3 Lower Threshold

Possible Causes:



Pressure control solenoid circuit is shorting to ground
 
Pressure control solenoid circuit is open
 
Valve has failed
 
TCM has failed
 

Trouble Code: P1101



Mass Air Flow Circuit Rationality Check Conditions

Possible Causes:



Mass air flow (MAF) sensor has failed or is damaged
 
Signal and ground wires of Mass Air Flow (MAF) sensor has short circuited
 

Trouble Code: P1103



Mass Air Flow Circuit Rationality Check Conditions

Possible Causes:



Mass air flow (MAF) sensor has failed or is damaged
 
Signal and ground wires of Mass Air Flow (MAF) sensor has short circuited
 

Trouble Code: P1134



HO2S Heater Circuit Current Malfunction

Possible Causes:



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

Trouble Code: P1135



HO2S Heater Circuit Current Malfunction

Possible Causes:



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

Trouble Code: P1136



HO2S Heater Circuit Heater Resistance

Possible Causes:



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

Trouble Code: P1138



HO2S 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: P1139



HO2S 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: P1140



Throttle/Pedal Position Sensor Malfunction

Possible Causes:



TP sensor signal circuit is open (inspect wiring & connector)
 
TP sensor signal circuit is shorted to ground
 
TP sensor or module is damaged or it has failed
 
Throttle valve is damaged or dirty
 
Throttle valve control module is faulty
 

Trouble Code: P1151



HO2S Heater Circuit Current Malfunction

Possible Causes:



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

Trouble Code: P1152



HO2S Heater Circuit Current Malfunction

Possible Causes:



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

 
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