BMW Cars 1999-06

5.0L V8 - Std 5

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Trouble Code: P1637



Throttle Valve Position Control, Control Deviation (Bank 1)

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: P1638



Throttle Valve Position Control Throttle Stuck Temporarily (Bank 1)

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: P1639



Accelerator Pedal Position Sensor 1+2 Range/Performance

Possible Causes:



Ground between engine and chassis may be broken
 
Throttle position sensor may have failed
 
Accelerator Pedal Position Sensor 2 has failed
 
Throttle position sensor wiring may have shorted
 
Faulty voltage supply
 

Trouble Code: P1640



Internal Control Module (EEPROM) Error

Possible Causes:



Engine Control Module (DME) has failed
 
Voltage supply for Engine Control Module (DME) has shorted
 

Trouble Code: P1719



CAN Level Wrong Value

Possible Causes:



CAN data bus wires have short circuited to each other
 
ECU has failed
 
BUS system failure
 
Defective bus controller (EGS)
 

Trouble Code: P1720



CAN Message Timeout

Possible Causes:



CAN data bus wires have short circuited to each other
 
ECU has failed
 
BUS system failure
 
Defective bus controller (EGS)
 

Trouble Code: P1747



CAN-Bus Plausibility-Disabled

Possible Causes:



CAN data bus wires have short circuited to each other
 
ECU has failed
 
BUS system failure
 
Defective bus controller (EGS)
 

 
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