about Autohex II Download forum contact

OBD II Fault Code P1644 :

Description of Fault code P1644

IMA MOTFSA SIGNAL FAILURE

Possible failuer P1644

  • Signal line open
  • Signal line short
  • Motor control module failure

Diagnostic Procedure using AutoHex II Scan Tool

  • The data isn t obtained because B-CAN Frame can t be received.
  • The B-CAN System doesn t actuate.

Test Conditions using AutoHex tester

  • When B-CAN Data is sending

Clear Fault codes Conditions

  • The data isn t obtained because B-CAN Frame can t be received.
  • The B-CAN System doesn t actuate.

MIL Status

  • Keyless Access Indicator ON

BMW Key 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 P1645
OBD II Fault Code P1646
OBD II Fault Code P1647
OBD II Fault Code P1648
OBD II Fault Code P1649
OBD II Fault Code P164A
OBD II Fault Code P164B
OBD II Fault Code P164C
OBD II Fault Code P164D
OBD II Fault Code P164E
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
AutoHex Onboard Diagnostic Forum discusses different subjects, if you want to know more about Mercedes Benz, BMW, VW, Audi, Toyota, Nissan, or other cars, join the forum now
AutoHex II Autohex II For BMW AutoHex II For Kia and Hyundai AutoHex stand alone Mercedes Technical Info