BMW Cars 1999-06

3.0L L6 - Auto 11

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Trouble Code: P1635



Throttle Valve Adaptation Lower Mechanical Stop Not Adapted (Bank 1)

Possible Causes:



Travel stop contaminated.
 
Defected DVE
 
Throttle valve contaminated
 

Trouble Code: P1636



Throttle Valve Position Control, Range Check (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: 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: P1641



Throttle Valve Adaptation Stop Due to Environmental Conditions

Possible Causes:



There is no action required
 

Trouble Code: P1642



Throttle Valve Adaptation Stop Due to Environmental Values

Possible Causes:



There is no action required
 

Trouble Code: P1643



Throttle Valve Actuator Start Test Amplifier Balancing Plausibility

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: P1644



Throttle Valve Adaptation Stop Relearning Lower Mechanical Stop

Possible Causes:



Travel stop contaminated.
 
Defected DVE
 
Throttle valve contaminated
 

Trouble Code: P1645



Internal Control Module Random Access Memory (RAM) Reading Error

Possible Causes:



Battery terminal corrosion, or loose battery connection
 
Connection to the DME interrupted, or the circuit has been opened
 
Reprogramming error has occurred
 
and needs replacement. Remember to check for Aftermarket Performance Products before replacing a DME.
 

Trouble Code: P1649



Internal Control Module Random Access Memory (RAM) Writing Error

Possible Causes:



Battery terminal corrosion, or loose battery connection
 
Connection to the DME interrupted, or the circuit has been opened
 
Reprogramming error has occurred
 
and needs replacement. Remember to check for Aftermarket Performance Products before replacing a DME.
 

Trouble Code: P1650



Start While Engine is Running

Possible Causes:



Battery terminal corrosion, or loose battery connection
 
Connection to the DME interrupted, or the circuit has been opened
 
Reprogramming error has occurred
 
and needs replacement. Remember to check for Aftermarket Performance Products before replacing a DME.
 

Trouble Code: P1660



EWS (Electronic Immobilizer) Telegram Error

Possible Causes:



Circuit from the MIL to the DME
 
ECU Failure, BUS system failure
 
Circuit from the EPC to the DME
 
Defective CAS
 

Trouble Code: P1661



Timeout EWS (Electronic Immobilizer) Telegram

Possible Causes:



Circuit from the MIL to the DME
 
ECU Failure, BUS system failure
 
Circuit from the EPC to the DME
 
Defective CAS
 

Trouble Code: P1662



EWS (Electronic Immobilizer) Telegram Parity Error

Possible Causes:



Circuit from the MIL to the DME
 
ECU Failure, BUS system failure
 
Circuit from the EPC to the DME
 
Defective CAS
 

Trouble Code: P1663



EWS (Electronic Immobilizer) Rolling Code Faulty Storage in EEPROM

Possible Causes:



Circuit from the MIL to the DME
 
ECU Failure, BUS system failure
 
Circuit from the EPC to the DME
 
Defective CAS
 

Trouble Code: P1664



EWS (Electronic Immobilizer) Writing/Reading Error in EEPROM

Possible Causes:



Circuit from the MIL to the DME
 
ECU Failure, BUS system failure
 
Circuit from the EPC to the DME
 
Defective CAS
 

Trouble Code: P1665



EWS (Electronic Immobilizer) Tampering Via Rolling Code

Possible Causes:



Circuit from the MIL to the DME
 
ECU Failure, BUS system failure
 
Circuit from the EPC to the DME
 
Defective CAS
 

Trouble Code: P1666



EWS (Electronic Immobilizer) Tampering/Start Value Not Yet Programmed

Possible Causes:



Circuit from the MIL to the DME
 
ECU Failure, BUS system failure
 
Circuit from the EPC to the DME
 
Defective CAS
 

Trouble Code: P1667



EWS (Electronic Immobilizer) Start Value Not Yet Programmed

Possible Causes:



Circuit from the MIL to the DME
 
ECU Failure, BUS system failure
 
Circuit from the EPC to the DME
 
Defective CAS
 

Trouble Code: P1668



EWS (Electronic Immobilizer) Start Value Destroyed

Possible Causes:



Circuit from the MIL to the DME
 
ECU Failure, BUS system failure
 
Circuit from the EPC to the DME
 

Trouble Code: P1677



Adaptive Cruise Control No Activity Detected

Possible Causes:



Circuit from the MIL to the DME
 
ECU Failure, BUS system failure
 
Circuit from the EPC to the DME
 

Trouble Code: P1680



Electronic Throttle Control Monitor Level 2/3 ADC Processor Fault

Possible Causes:



Battery terminal corrosion, loose battery connection, or faulty
 
Connection to the DME interrupted, or the circuit has been opened
 
Reprogramming error has occurred
 
and needs replacement.
 
Voltage supply for Engine Control Module (DME) is faulty
 

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: P1721



CAN Timeout ASC/DSC

Possible Causes:



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

Trouble Code: P1727



Engine Speed Signal 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: P1728



Engine Overspeed 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: 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)
 

Trouble Code: P1762



Shift Solenoid C Short to Power

Possible Causes:



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

Trouble Code: P1763



Shift Solenoid C Short to Ground

Possible Causes:



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

Trouble Code: P1764



Shift Solenoid C Short Circuit Continuity-Disconnection

Possible Causes:



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

Trouble Code: P1765



Throttle Valve Signal Plausibility

Possible Causes:



Throttle solenoid circuit is shorting to ground
 
Throttle valve sensor has failed
 
Valve has failed
 
DME/TCM has failed
 

Trouble Code: P1766



Engine Speed Plausibility

Possible Causes:



Throttle solenoid circuit is shorting to ground
 
Throttle valve sensor has failed
 
Valve has failed
 
DME/TCM has failed
 

Trouble Code: P1771



Engine Torque Plausibility

Possible Causes:



Throttle solenoid circuit is shorting to ground
 
Throttle valve sensor has failed
 
Valve has failed
 
DME/TCM has failed
 

Trouble Code: P1782



Brake Pedal Signal Plausibility

Possible Causes:



Mechanical malfunction in the brake system
 
Brake solenoid circuits are open or grounded
 
DME/TCM has failed
 

Trouble Code: P1790



Internal Control Module Memory Checksum Error

Possible Causes:



Battery terminal corrosion, or loose battery connection
 
Connection to the DME interrupted, or the circuit has been opened
 
Reprogramming error has occurred and needs replacement. Remember to check for Aftermarket Performance Products before replacing an DME.
 
Connection to the DME interrupted, or the circuit has been opened
 
Voltage supply for Engine Control Module (DME) is faulty
 

Trouble Code: P1791



EEPROM Failure

Possible Causes:



Battery terminal corrosion, or loose battery connection
 
Connection to the DME interrupted, or the circuit has been opened
 
Reprogramming error has occurred and needs replacement. Remember to check for Aftermarket Performance Products before replacing an DME.
 
Connection to the DME interrupted, or the circuit has been opened
 
Voltage supply for Engine Control Module (DME) is faulty
 

Trouble Code: P1801



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: P1802



Solenoid 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
 

 
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