P0689 2014 Chevrolet Silverado Code - Electronic Control Module Power Relay Sense Circuit Low
Quick Answer
The P0689 diagnostic trouble code (DTC) for a 2014 Chevrolet Silverado indicates a problem with the Electronic Control Module (ECM) Power Relay Sense Circuit being low. Common causes include Faulty ECM power relay, Wiring issues or loose connections in the ECM power relay circuit, Corrosion or damage to the ECM power relay. 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
- P0689 2014 Chevrolet Silverado indicates Electronic Control Module Power Relay Sense Circuit Low.
- Common causes
- Common causes include Faulty ECM power relay, Wiring issues or loose connections in the ECM power relay circuit, Corrosion or damage to the ECM power relay.
- 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 P0689 2014 Chevrolet Silverado Description
The P0689 diagnostic trouble code (DTC) for a 2014 Chevrolet Silverado indicates a problem with the Electronic Control Module (ECM) Power Relay Sense Circuit being low. The ECM power relay is responsible for supplying power to the ECM, which is a crucial component that controls various functions in the vehicle, such as engine performance, fuel efficiency, and emissions. The sense circuit is designed to monitor the voltage level of the power relay to ensure proper operation.
Common Causes of P0689 2014 Chevrolet Silverado
- Faulty ECM power relay
- Wiring issues or loose connections in the ECM power relay circuit
- Corrosion or damage to the ECM power relay
- ECM software or hardware issues
- Electrical system malfunctions
Symptoms of P0689 2014 Chevrolet Silverado
- Engine performance issues, such as hesitation or lack of power
- Poor fuel efficiency
- Stalling or rough idling
- Starting issues or failure to start
- Illumination of the Check Engine Light
How to Fix P0689 2014 Chevrolet Silverado
- Begin by conducting a thorough inspection of the ECM power relay and its circuit to check for any visible damage, corrosion, or loose connections.
- Test the ECM power relay using a multimeter to determine if it is functioning correctly and supplying the proper voltage.
- If the ECM power relay is faulty, replace it with a new, high-quality relay that meets the manufacturer's specifications.
- Check and repair any damaged wiring or connections in the ECM power relay circuit.
- Clear the DTC using a scan tool and perform a test drive to ensure the issue has been resolved.
Cost to Fix P0689 2014 Chevrolet Silverado
The typical repair costs for addressing the P0689 code on a 2014 Chevrolet Silverado can range from $100 to $300, depending on the specific cause of the issue and the cost of parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate. Keep in mind that rates may be higher at dealerships or in metropolitan areas, while independent shops may offer more affordable prices.
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