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OBD II Fault Code P1037 :

Description of Fault code P1037

A/F SENSOR RELAY CIRCUIT LOW VOLTAGE

Possible failuer P1037

  • A/F Sensor relay short to ground.
  • ECU sub relay malfunction.
  • IGP2 upstream fuse blowout

Diagnostic Procedure using AutoHex II

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

Test Conditions using AutoHex tester

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

Clear Fault codes Conditions

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

MIL Status

  • Check Engine Light ON

GDS KIA Ecu Flashing using AutoHex II


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 P1038
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
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