P1487 Mitsubishi Code - High Speed Radiator Fan Control Relay Condition
Quick Answer
P1487 Mitsubishi indicates High Speed Radiator Fan Control Relay Condition. Common causes include Faulty Radiator Fan Control Relay, Radiator Fan Control Relay harness is open or shorted, Radiator Fan Control Relay circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1487 Mitsubishi indicates High Speed Radiator Fan Control Relay Condition.
- Common causes
- Common causes include Faulty Radiator Fan Control Relay, Radiator Fan Control Relay harness is open or shorted, Radiator Fan Control Relay circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P1487 Mitsubishi Description
What are the Possible Causes of the DTC P1487 Mitsubishi?
- Faulty Radiator Fan Control Relay
- Radiator Fan Control Relay harness is open or shorted
- Radiator Fan Control Relay circuit poor electrical connection
How to Fix the DTC P1487 Mitsubishi?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1487 Mitsubishi code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P1487 Mitsubishi Code
1. What does the OBDII code P1487 mean for a Mitsubishi?
P1487 indicates an issue with the high-speed radiator fan control relay, which may prevent the fan from operating at high speed as needed.
2. What are the symptoms of a P1487 code in a Mitsubishi?
Common symptoms include engine overheating, the radiator fan not running at high speed, and possibly the Check Engine Light illuminating.
3. What causes the P1487 code to trigger?
The code can be caused by a faulty high-speed radiator fan relay, wiring issues such as damaged or corroded connections, or a problem with the engine control module (ECM).
4. Can I drive my car with a P1487 code?
It’s not recommended to drive with this code for an extended period, as the radiator fan may not cool the engine efficiently, potentially leading to overheating.
5. How do I diagnose a P1487 code?
Start by inspecting the high-speed radiator fan relay and its wiring for damage or corrosion. Then test the relay for proper operation and check the ECM for any related issues.
6. How do you fix a P1487 code on a Mitsubishi?
Repairs may involve replacing the faulty high-speed radiator fan relay, repairing or replacing damaged wiring, or, in rare cases, addressing an ECM problem.
7. How much does it cost to fix a P1487 code?
Repair costs vary but typically range from $50 to $150 for a relay replacement. Wiring repairs or ECM issues may increase the cost.
8. Can a bad thermostat cause a P1487 code?
While a bad thermostat can cause cooling system issues, it’s not directly related to the P1487 code, which specifically involves the radiator fan relay.
9. What tools are needed to troubleshoot a P1487 code?
You’ll need an OBDII scanner, a multimeter to test electrical components, and possibly a wiring diagram for your Mitsubishi model.
10. Does clearing the P1487 code fix the problem?
Clearing the code may turn off the Check Engine Light temporarily, but the underlying issue must be repaired to prevent the code from returning.
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