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P1487: Hi Speed Rad Fan CTRL Relay Circuit Open Or Shorted

DODGE JEEP MITSUBISHI PLYMOUTH PONTIAC KIA OTHER
Severity
Medium
System
Manufacturer-Specific Powertrain

What Does P1487 Mean?

P1487 is a manufacturer-specific diagnostic trouble code: Hi Speed Rad Fan CTRL Relay Circuit Open Or Shorted. This code applies to DODGE, JEEP, MITSUBISHI, PLYMOUTH, PONTIAC vehicles. Unlike generic OBD-II codes, manufacturer-specific codes are defined by the vehicle maker and may only apply to certain makes and models.

Symptoms of P1487

Common Causes

Frequently Asked Questions

What does P1487 mean?
P1487 indicates: Hi Speed Rad Fan CTRL Relay Circuit Open Or Shorted. The vehicle's computer has detected that the Hi Speed Rad Fan CTRL Relay is not operating within its expected parameters and stored this diagnostic trouble code.
Can I drive with code P1487?
You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P1487 for extended periods may cause additional problems.
How much does it cost to fix P1487?
Repair costs for P1487 typically range from $30 to $300, depending on the root cause. Simple wiring or connector repairs are on the lower end, while component replacement costs more. A proper diagnosis ($80–$150 at most shops) will identify the exact cause before committing to expensive parts.

What To Do Next

Possible Fixes

  • 🔧 Locate and repair broken wire in Hi Speed Rad Fan CTRL Relay circuit
  • 🔧 Replace damaged Hi Speed Rad Fan CTRL Relay connector
  • 🔧 Replace Hi Speed Rad Fan CTRL Relay if internally open
  1. 1
    Find your vehicle above

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  2. 2
    Check for recalls

    Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.

  3. 3
    Get a professional diagnosis

    A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

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