about Autohex II Download forum contact

OBD II Fault Code P0AE1 :

Description of Fault code P0AE1

BYPASS CONTACTOR MALFUNCTION

Possible failuer P0AE1

  • PRE line of Bypass contactor open or short to GND
  • PG line of Bypass contactor open
  • Resistor of Bypass contactor problem
  • Between MPI and J/B bus bar problem
  • Main switch stays OFF
  • Main fuse failure
  • DC-DC converter internal problem
  • MPI internal problem
  • MCM internal problem

Diagnostic Procedure using AutoHex II Scan Tool

  • Self-diagnosis in the LKAS camera

Test Conditions using AutoHex tester

  • None

Clear Fault codes Conditions

  • Self-diagnosis in the LKAS camera

MIL Status

  • Glow ON

BMW ECU Programming


Note:

  • AutoHex II is a professional Auto diagnostic.
  • This fault code is a GERENRIC fault code, some cars may change the meaning of this fault code.
    To get the accurate fault code description you may use AutoHex II

More Fault codes:

OBD II Fault Code P0AE2
OBD II Fault Code P0AE3
OBD II Fault Code P0AE4
OBD II Fault Code P0AE5
OBD II Fault Code P0AE6
OBD II Fault Code P0AE7
OBD II Fault Code P0AE8
OBD II Fault Code P0AE9
OBD II Fault Code P0AEA
OBD II Fault Code P0AEB
Autohex II Reviews
Autohex II Reviews
Find out Autohex II user's impressions about using this tool for BMW advanced services
AutoHex II
AutoHex II
AutoHex II is your best choice to have full access to dealer functions like coding, adjusting and modules flashing/programming, Contact us for prices
AutoHex Forum
Scan Tool Forum
In AutoHex onboard diagnostic forum you will find discussions how to change the configurations of the car by the professional special functions using AutoHex scan tool
AutoHex II Autohex II For BMW AutoHex II For Kia and Hyundai AutoHex stand alone Mercedes Technical Info