OBD II Fault Code P0601 :

Description of Fault code P0601

ENGINE CONTROL MODULE (ECM) INTERNAL MEMORY CHECK SUM ERROR

Possible failuer P0601

• Engine Control Module(ECM) internal memory error.

Diagnostic Procedure using AutoHex II Scan Tool

• Check sum error is detected during ECM calculate a check sum of engine control program after IG OFF.

Test Conditions using AutoHex tester

• IG OFF

Clear Fault codes Conditions

• Check sum error is detected during ECM calculate a check sum of engine control program after IG OFF.

MIL Status

• Check Engine Light ON

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: