P0690 2016 Chevrolet Silverado Code - Electronic Control Module Power Relay Sense Circuit High
Quick Answer
The powertrain relay is a normally open relay. Common causes include Weak battery, Low voltage while cranking, Faulty Engine Control Module (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
- P0690 2016 Chevrolet Silverado indicates Electronic Control Module Power Relay Sense Circuit High.
- Common causes
- Common causes include Weak battery, Low voltage while cranking, Faulty Engine Control Module (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.
Code P0690 2016 Chevrolet Silverado Description
What are the Possible Causes of the DTC P0690 2016 Chevrolet Silverado?
- Weak battery
- Low voltage while cranking
- Faulty Engine Control Module (ECM) power relay
- ECM power relay harness is open or shorted
- ECM power relay circuit poor electrical connection
- Blown ECM fuse
- Faulty ECM
How to Fix the DTC P0690 2016 Chevrolet Silverado?
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 P0690 2016 Chevrolet Silverado 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.
Need more information about the P0690 2016 Chevrolet Silverado code?
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Frequently Asked Questions about P0690 2016 Chevrolet Silverado Code
1. What does the OBDII code P0690 mean on a 2016 Chevrolet Silverado?
P0690 indicates that the Electronic Control Module (ECM) has detected a high voltage condition in the power relay sense circuit.
2. What are the common symptoms of code P0690 in a 2016 Chevrolet Silverado?
Symptoms may include the engine not starting, stalling while driving, the check engine light illuminating, or issues with electrical components.
3. What causes the P0690 code to appear on a 2016 Chevrolet Silverado?
Common causes include a faulty ECM power relay, damaged or corroded wiring, a poor electrical connection, or a malfunctioning ECM.
4. Can I drive my 2016 Chevrolet Silverado with a P0690 code?
It is not recommended to drive with this code, as it can lead to engine stalling or electrical failures that may compromise safety.
5. How is the P0690 code diagnosed on a 2016 Chevrolet Silverado?
A technician will inspect the ECM power relay, check for damaged wiring, test for proper voltage and ground, and verify the functionality of the ECM.
6. How do you fix the P0690 code on a 2016 Chevrolet Silverado?
Repairs can include replacing the ECM power relay, repairing or replacing damaged wiring, cleaning corroded connections, or, in rare cases, replacing the ECM.
7. How much does it cost to fix the P0690 code on a 2016 Chevrolet Silverado?
Repair costs can vary but typically range from $100 to $300 for parts and labor, depending on the specific issue and diagnostic time.
8. Can a bad battery cause the P0690 code on a 2016 Chevrolet Silverado?
A weak or failing battery is unlikely to directly cause this code, but electrical issues like poor connections or voltage irregularities could contribute.
9. Does a P0690 code mean the ECM is bad on a 2016 Chevrolet Silverado?
Not necessarily. While a faulty ECM is a possible cause, it is more common for the issue to stem from the power relay or related wiring.
10. Will clearing the P0690 code fix the issue on a 2016 Chevrolet Silverado?
Clearing the code will turn off the check engine light temporarily, but the underlying issue must be repaired to prevent the code from returning.
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