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OBD II Fault Code P16A9 :

Description of Fault code P16A9

NO.3 CYLINDER INJECTOR QUANTITY ADJUSTMENT (IQA) DATA ERROR

Possible failuer P16A9

  • IQA correction value for No.3 injector within EEPROM

Diagnostic Procedure using AutoHex II Scan Tool

  • When the Engine Control Module (ECM) is initialized, the checksum of the IQA correction value written in the EEPROM is checked.

Test Conditions using AutoHex tester

  • IG ON (II) (When the Engine Control Module (ECM) initializing)

Clear Fault codes Conditions

  • When the Engine Control Module (ECM) is initialized, the checksum of the IQA correction value written in the EEPROM is checked.

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 P16AA
OBD II Fault Code P16AB
OBD II Fault Code P16AC
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
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