P1487 – Chrysler DTC

Chrysler DTC P1487 – Hi Speed Rad Fan CTRL Relay Circuit

DTC P1487 meaning on Chrysler

DTC P1487 on Chrysler indicates a fault in the High Speed Radiator Fan Control Relay Circuit. This diagnostic trouble code is triggered when the Powertrain Control Module (PCM) detects an issue with the control circuit for the high-speed radiator fan relay.

Chrysler DTC P1487 symptoms

Symptoms of DTC P1487 on a Chrysler vehicle may include:

• Engine overheating
• Radiator fan not operating at high speed
• Check Engine Light illuminated on the dashboard

Chrysler DTC P1487 causes

Common causes of DTC P1487 on Chrysler vehicles include:

• Defective high-speed radiator fan control relay
• Faulty wiring or connectors in the relay circuit
• PCM software issue

Chrysler DTC P1487 seriousness

DTC P1487 should be addressed promptly as it can lead to engine overheating and potential damage if the high-speed radiator fan fails to operate correctly. Ignoring this code may result in engine overheating and subsequent engine damage.

How to diagnose DTC P1487 on Chrysler

To diagnose DTC P1487 on a Chrysler vehicle, follow these steps:

1. Use a scan tool to retrieve the fault codes stored in the PCM.
2. Inspect the high-speed radiator fan control relay for proper operation.
3. Check the wiring and connectors in the relay circuit for any damage or corrosion.
4. Perform a continuity test on the relay circuit to ensure proper electrical flow.

How to fix DTC P1487 on Chrysler

To fix DTC P1487 on a Chrysler vehicle, consider the following steps:

1. Replace the high-speed radiator fan control relay if it is found to be faulty.
2. Repair any damaged or corroded wiring or connectors in the relay circuit.
3. If the issue persists, reprogram or replace the PCM as needed.

How to erase DTC P1487 on Chrysler

To erase DTC P1487 on a Chrysler vehicle, follow these steps:

1. Use a scan tool to clear the fault codes stored in the PCM.
2. After making the necessary repairs, ensure the issue is resolved before clearing the code.
3. Once the repairs are completed, clear the fault code from the PCM using the scan tool.

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