OBDII Code List

P1257 ACURA - VTEC System Malfunction

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Engine oil level low
  • Low engine oil pressure
  • Blocked oil passage
  • Faulty VCT oil control valve

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1257 Acura Description

The VTEC system, in conjunction with the Engine Control Module (ECM), activates the VTEC solenoid valve to control oil pressure to the VTEC mechanism that is installed in the valve system to switch valve timing between Low and High. If the VTEC solenoid valve has an open or short circuit, the P1257 code is set.
OBDII Code P1257 Acura - VTEC System Malfunction -

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P1257 ACURA Comments

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