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OBD-II code · manufacturer-specific

P1491

Open Power To Ground VCRM

System
P1 — Powertrain (manufacturer-specific)
Severity
Moderate (3/5)
Can I keep driving?
Drive with caution
01

What does P1491 mean?

P1491 is defined as “Open Power To Ground VCRM”.

Drive gently and only as far as you need to; have it checked as soon as possible.

02

Manufacturer-specific meanings

The same code can mean something different on some makes.

  • Acura, Honda, Infiniti: EGR Valve Lift Insufficient Detected
  • Dodge, Jeep, Plymouth, Pontiac: Radiator Fan Control Relay Circuit Open Or Shorted
  • Citroen, Diğer, Peugeot: Secondary Switch Solenoid Circuit Malfunction
  • Nissan: Vacuum Cut Valve Bypass Valve
03

Related codes

04

Look up another code

This page is general information; an exact diagnosis needs measurements and a technician’s check.