AutoCodes – Dodge – P1498 Dodge

P1498 Dodge Code - High Speed Radiator Relay Ground Control Condition

Quick Answer

With 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. Common causes include Faulty High Speed Radiator Relay, High Speed Radiator Relay harness is open or shorted, High Speed Radiator Relay 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: P1498 Dodge indicates High Speed Radiator Relay Ground Control Condition.
Common causes: Common causes include Faulty High Speed Radiator Relay, High Speed Radiator Relay harness is open or shorted, High Speed Radiator Relay 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.

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Code Popularity 4,587

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Aug 25, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1498 Dodge Description

OBDII Code P1498 Dodge - High Speed Radiator Relay Ground Control Condition - AutoCodes.com — P1498 Dodge Code - High Speed Radiator Relay Ground Control Condition

What does this mean?

What are the Possible Causes of the DTC P1498 Dodge?

Faulty High Speed Radiator Relay
High Speed Radiator Relay harness is open or shorted
High Speed Radiator Relay poor electrical connection

How to Fix the DTC P1498 Dodge?

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 P1498 Dodge 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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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1498 Dodge Code

What does the OBDII code P1498 mean on a Dodge vehicle?

1. The P1498 code indicates a "High Speed Radiator Relay Ground Control Condition," meaning there is an issue with the ground control circuit for the high-speed radiator fan relay. 2.

What are the common symptoms of the P1498 code in a Dodge?

Symptoms may include engine overheating, the radiator fan not activating at high speed, or the Check Engine Light being illuminated. 3.

What causes the P1498 code to appear?

Common causes include a faulty high-speed radiator fan relay, damaged wiring or connectors in the relay circuit, or a malfunctioning Powertrain Control Module (PCM). 4.

Can I drive my Dodge with the P1498 code active?

Driving with the P1498 code is not recommended, as it can lead to engine overheating and potential engine damage if the high-speed fan does not function properly. 5.

How do you diagnose the P1498 code in a Dodge vehicle?

Diagnosis involves checking the high-speed radiator fan relay, inspecting the wiring and connectors for damage or corrosion, and testing the ground control circuit for proper continuity. 6.

How can the P1498 code be fixed?

Repairs may include replacing the high-speed radiator fan relay, repairing or replacing damaged wiring or connectors, or reprogramming or replacing the PCM if necessary. 7.

What tools are needed to diagnose and fix the P1498 code?

You’ll typically need a diagnostic scan tool, a multimeter for testing electrical circuits, and possibly a wiring diagram for your specific Dodge model. 8.

Does the P1498 code always mean the relay is faulty?

No, the issue could also be caused by wiring problems, a poor ground connection, or a PCM malfunction rather than a defective relay. 9.

Can a weak battery cause the P1498 code to appear?

A weak battery is unlikely to directly cause the P1498 code, but low voltage can sometimes lead to erratic relay or PCM operation, which may contribute to the issue. 10.

How much does it cost to repair the P1498 code?

Repair costs vary depending on the cause, but replacing a radiator fan relay typically costs $50-$150, while wiring repairs or PCM replacement can cost significantly more.