OBD Guide

P1425

Intake Air Flow Valve Control Motor High Temperature

P1425 is an OBD-II diagnostic trouble code meaning: Intake Air Flow Valve Control Motor High Temperature. Common causes: air flow control solenoid valve malfunction, problems in the wiring harness or connectors. Estimated repair cost: $17–67.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–67 (est.)

Symptoms

  • Reduced engine power
  • Floating idle speed
  • Increased fuel consumption
  • Check Engine light comes on
  • The engine may go into emergency mode

Causes

  • Air flow control solenoid valve malfunction
  • Problems in the wiring harness or connectors
  • Short circuit in control circuit
  • Mechanical valve jamming
  • Poor contact or corrosion in electrical connections

How to Fix

  1. Check the resistance and functionality of the valve
  2. Inspect the wiring harness and connectors for damage.
  3. Check control circuit voltage
  4. Clean or replace faulty valve
  5. Reset the error code and check for its reappearance

Related codes

Error P1425 by Vehicle Brand

FAQ

What does the P1425 code mean?

P1425 is an OBD-II diagnostic trouble code that indicates: Intake Air Flow Valve Control Motor High Temperature

What causes a P1425 error code?

The most common causes of P1425 include: Air flow control solenoid valve malfunction; Problems in the wiring harness or connectors; Short circuit in control circuit; Mechanical valve jamming.

How do I fix a P1425 diagnostic trouble code?

To fix P1425: Check the resistance and functionality of the valve. Inspect the wiring harness and connectors for damage.. Check control circuit voltage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1425?

Limited driving only, diagnose soon

How much does it cost to fix P1425?

The estimated repair cost for P1425 is $17–67. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat