P1498 JEEP - High Speed Radiator Relay Ground Control Condition
- Faulty High Speed Radiator Relay
- High Speed Radiator Relay harness is open or shorted
- High Speed Radiator Relay poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
P1498 Jeep DescriptionWith the key on or engine running, system voltage over 10v, the test started and the Powertrain Control Module (PCM) detects a shorted or open condition in the High Speed fan relay control circuit. Test the fan relay resistance (it should be 30-70 ohms).
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