P16E8 2016 Chevrolet Silverado Code - Engine Controls Ignition Relay Signal Message Counter Incorrect
Quick Answer
Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Common causes include Faulty Engine Controls Ignition Relay, Engine Controls Ignition Relay harness is open or shorted, Engine Controls Ignition Relay circuit 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
- P16E8 2016 Chevrolet Silverado indicates Engine Controls Ignition Relay Signal Message Counter Incorrect.
- Common causes
- Common causes include Faulty Engine Controls Ignition Relay, Engine Controls Ignition Relay harness is open or shorted, Engine Controls Ignition Relay circuit 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.
Code P16E8 2016 Chevrolet Silverado Description
What are the Possible Causes of the DTC P16E8 2016 Chevrolet Silverado?
- Faulty Engine Controls Ignition Relay
- Engine Controls Ignition Relay harness is open or shorted
- Engine Controls Ignition Relay circuit poor electrical connection
How to Fix the DTC P16E8 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 P16E8 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 P16E8 2016 Chevrolet Silverado code?
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Frequently Asked Questions about P16E8 2016 Chevrolet Silverado Code
1. What does OBDII code P16E8 mean on a 2016 Chevrolet Silverado?
Code P16E8 indicates an issue with the Engine Controls Ignition Relay Signal Message Counter being incorrect, which refers to a communication fault between the ignition relay and the engine control module (ECM).
2. What are the common symptoms of code P16E8 in a 2016 Chevrolet Silverado?
Symptoms may include difficulty starting the engine, intermittent stalling, a check engine light, or reduced overall engine performance.
3. What causes code P16E8 to be triggered?
Common causes include a faulty ignition relay, poor wiring connections, damaged harnesses, or a malfunctioning ECM.
4. Can a weak battery cause code P16E8 in a Chevrolet Silverado?
Yes, a weak or failing battery can cause voltage irregularities, leading to communication issues between the ECM and the ignition relay.
5. How is code P16E8 diagnosed in a 2016 Chevrolet Silverado?
A mechanic will inspect the ignition relay, wiring, and connectors for damage or corrosion, check the battery voltage, and use a diagnostic scanner to monitor communication signals.
6. Can I keep driving my Silverado with code P16E8?
While the vehicle may still run, driving with this code could lead to stalling, further electrical issues, or difficulty starting the engine. It’s best to address the problem promptly.
7. How do you fix code P16E8 on a 2016 Chevrolet Silverado?
Repairs may involve replacing a faulty ignition relay, repairing damaged wiring, cleaning corroded connectors, or reprogramming or replacing the ECM.
8. Does code P16E8 require ECM replacement in all cases?
No, ECM replacement is not always necessary. The issue is often caused by simpler problems like wiring faults or a bad ignition relay.
9. How much does it cost to fix code P16E8 on a Chevrolet Silverado?
The cost varies depending on the root cause, ranging from $50 to $200 for a relay or wiring repair, and up to $1,000 or more if ECM replacement is required.
10. Can regular maintenance prevent code P16E8 in a 2016 Silverado?
Yes, regular checks of electrical connections, battery health, and relays can help prevent communication issues that trigger this code.
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