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OBD II Fault Code P1686 :

Description of Fault code P1686

AFSB VOLTAGE LOW

Possible failuer P1686

  • Signal line open
  • Signal line short
  • TCM 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 F10, All keys Lost


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 P1687
OBD II Fault Code P1688
OBD II Fault Code P1689
OBD II Fault Code P168A
OBD II Fault Code P168B
OBD II Fault Code P168C
OBD II Fault Code P168D
OBD II Fault Code P168E
OBD II Fault Code P168F
OBD II Fault Code P1690
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