about Autohex II Download forum contact

OBD II Fault Code P2237 :

Description of Fault code P2237

A/F SENSOR POSITIVE CURRENT CONTROL CIRCUIT OPEN

Possible failuer P2237

  • A/F sensor harness open.

Diagnostic Procedure using AutoHex II Scan Tool

  • Harness open is indirectly detected by almost 0% Oxygen Concentration at Lean-Burn condition

Test Conditions using AutoHex tester

  • Engine running with Lean-Burn condition (Detection state can be confirmed by OBD STATUS)
  • BATTERY voltage ≥ 10.7V

Clear Fault codes Conditions

  • Harness open is indirectly detected by almost 0% Oxygen Concentration at Lean-Burn condition

MIL Status

  • Check Engine Light ON

Programming BMW 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 P2238
OBD II Fault Code P2239
OBD II Fault Code P223A
OBD II Fault Code P223B
OBD II Fault Code P223C
OBD II Fault Code P223D
OBD II Fault Code P223E
OBD II Fault Code P223F
OBD II Fault Code P2240
OBD II Fault Code P2241
Autohex II Reviews
Autohex II Reviews
Find out Autohex II user's impressions about using this tool for BMW advanced services
AutoHex II
AutoHex II
AutoHex II is your best choice to have full access to dealer functions like coding, adjusting and modules flashing/programming, Contact us for prices
AutoHex Forum
Scan Tool Forum
The best place where you can share information about cars repair and onboard diagnostic procedures is an Automotive Tech Forum, AutoHex Onboard Diagnostic Forum invites you to join
AutoHex II Autohex II For BMW AutoHex II For Kia and Hyundai AutoHex stand alone Mercedes Technical Info