P0690 2015 Chevrolet Silverado Code - Electronic Control Module Power Relay Sense Circuit High
Quick Answer
The P0690 code in a 2015 Chevrolet Silverado indicates a problem with the Electronic Control Module (ECM) power relay sense circuit being too high. Common causes include Faulty power relay, Damaged power relay sense circuit, Loose or corroded connection in the circuit. 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
- P0690 2015 Chevrolet Silverado indicates Electronic Control Module Power Relay Sense Circuit High.
- Common causes
- Common causes include Faulty power relay, Damaged power relay sense circuit, Loose or corroded connection in the circuit.
- 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 P0690 2015 Chevrolet Silverado Description
The P0690 code in a 2015 Chevrolet Silverado indicates a problem with the Electronic Control Module (ECM) power relay sense circuit being too high. The ECM power relay is responsible for supplying power to the ECM, which is the brain of the vehicle's engine management system. The power relay sense circuit is a part of the ECM that monitors the voltage level of the power relay to ensure it is within the acceptable range.
Common Causes of P0690 2015 Chevrolet Silverado
- Faulty power relay
- Damaged power relay sense circuit
- Loose or corroded connection in the circuit
- ECM malfunction
Symptoms of P0690 2015 Chevrolet Silverado
- Poor fuel efficiency
- Rough idling
- Stalling
- Difficulty starting the engine
How to Fix P0690 2015 Chevrolet Silverado
- Begin by performing a visual inspection of the power relay and its connections to check for any obvious signs of damage or corrosion.
- Use a multimeter to test the voltage levels in the power relay sense circuit to determine if they are within the acceptable range.
- If the voltage is too high, replace the power relay and retest the circuit to ensure the issue is resolved.
- If the problem persists, inspect the power relay sense circuit for any damage or loose connections and repair as needed.
- If all else fails, consider having the ECM checked and potentially replaced by a professional technician.
Cost to Fix P0690 2015 Chevrolet Silverado
The typical repair costs for addressing the P0690 code in a 2015 Chevrolet Silverado can vary depending on the specific cause of the issue. In general, replacing a power relay can cost between $50 and $150, while diagnosing and repairing a damaged power relay sense circuit or ECM issue can range from $200 to $500 or more. Labor costs can add an additional $80 to $150 per hour, depending on the shop's rates and location. It's advisable to consult with a trusted auto repair shop for a more accurate estimate based on your vehicle's specific needs.
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