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OBD II Fault Code P1643 :

Description of Fault code P1643

IMA QBATT HIGH INPUT

Possible failuer P1643

  • Signal line open
  • 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 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 P1644
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
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