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OBD II Fault Code P1038 :

Description of OBD II Fault code P1038

A/F SENSOR RELAY CIRCUIT HIGH VOLTAGE

Possible failuer of OBD II Fault code P1038

  • A/F Sensor relay short to power.

Diagnostic Procedure using AutoHex auto Scan tool tester

  • A/F sensor relay driver detects that LAFRLY line is short to power during predetermined duration.

Test Conditions using AutoHex Scan tool tester

  • IG ON (0)
  • BATTERY voltage ≥ 10.5V

Clear Fault codes Conditions

  • A/F sensor relay driver detects that LAFRLY line is short to power during predetermined duration.

MIL Status

  • Check Engine Light ON


Note:

  • AutoHex is a professional OBD /OBD II diagnostic scanner / scan tool tester.
  • 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 OBD scanner

More OBD II Fault codes:

OBD II Fault Code P1039
OBD II Fault Code P103A
OBD II Fault Code P103B
OBD II Fault Code P103C
OBD II Fault Code P103D
OBD II Fault Code P103E
OBD II Fault Code P103F
OBD II Fault Code P1040
OBD II Fault Code P1041
OBD II Fault Code P1042
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