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OBD II Fault Code P16AC :

Description of Fault code P16AC

ENGINE CONTROL MODULE (ECM) INTERNAL CIRCUIT MALFUNCTION

Possible failuer P16AC

  • Engine Control Module (ECM) internal injector drive LSI circuit

Diagnostic Procedure using AutoHex II Scan Tool

  • When the injector drive time of each cylinder is monitored during the slowing down fuel cut, it is longer than a specified time.

Test Conditions using AutoHex tester

  • Ne > 1300 rpm
  • The accelerator is not pressed
  • Not in the Cruise Control
  • The clutch is not pressed
  • During the slow-down by the engine brake

Clear Fault codes Conditions

  • When the injector drive time of each cylinder is monitored during the slowing down fuel cut, it is longer than a specified time.

MIL Status

  • Check Engine Light ON

Changing Dmaged DME in F Series


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 P16AD
OBD II Fault Code P16AE
OBD II Fault Code P16AF
OBD II Fault Code P16B0
OBD II Fault Code P16B1
OBD II Fault Code P16B2
OBD II Fault Code P16B3
OBD II Fault Code P16B4
OBD II Fault Code P16B5
OBD II Fault Code P16B6
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