OBD Guide
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P1951

Radiator Fan 2 Movement Restricted / Jammed

P1951 is an OBD-II diagnostic trouble code meaning: Radiator Fan 2 Movement Restricted / Jammed. Common causes: mechanical jamming of the fan (debris, foreign objects), fan bearing wear. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Engine overheating, especially at low speeds
  • Noise or grinding noise coming from the fan area
  • The fan does not turn on at high temperatures
  • Check Engine Light Is On

Causes

  • Mechanical jamming of the fan (debris, foreign objects)
  • Fan bearing wear
  • Fan motor problems
  • Incorrect fan circuit voltage
  • Defective relay or fuse

How to Fix

  1. Visually check the fan for jamming
  2. Clean the fan from debris and foreign objects
  3. Check bearings and fan motor
  4. Check the fan power circuit (fuses, relays, wiring)
  5. Replacing the radiator fan if necessary

Related codes

P1950P1952P0480

FAQ

What does the P1951 code mean?

P1951 is an OBD-II diagnostic trouble code that indicates: Radiator Fan 2 Movement Restricted / Jammed

What causes a P1951 error code?

The most common causes of P1951 include: Mechanical jamming of the fan (debris, foreign objects); Fan bearing wear; Fan motor problems; Incorrect fan circuit voltage.

How do I fix a P1951 diagnostic trouble code?

To fix P1951: Visually check the fan for jamming. Clean the fan from debris and foreign objects. Check bearings and fan motor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1951?

Yes, but get it checked soon

How much does it cost to fix P1951?

The estimated repair cost for P1951 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat