P16FF 2017 Chevrolet Silverado Code - Engine Controls Ignition Relay Request 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
- P16FF 2017 Chevrolet Silverado indicates Engine Controls Ignition Relay Request 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 P16FF 2017 Chevrolet Silverado Description
What are the Possible Causes of the DTC P16FF 2017 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 P16FF 2017 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 P16FF 2017 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 P16FF 2017 Chevrolet Silverado code?
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Frequently Asked Questions about P16FF 2017 Chevrolet Silverado Code
What does the OBDII code P16FF mean for a 2017 Chevrolet Silverado?
Code P16FF indicates an issue with the Engine Controls Ignition Relay Request Signal Message Counter, which is deemed incorrect by the vehicle's computer.
What are common symptoms of code P16FF in a 2017 Chevrolet Silverado?
Symptoms may include hard starting, engine stalling, reduced engine performance, or the illumination of the check engine light.
What causes code P16FF in a Chevrolet Silverado?
Common causes include a faulty ignition relay, wiring issues, corroded connectors, or a malfunction in the Engine Control Module (ECM).
How can I diagnose code P16FF in my Silverado?
Diagnose by scanning for stored codes, inspecting the ignition relay and associated wiring, and testing the ECM for proper operation.
Can a faulty ignition relay trigger the P16FF code?
Yes, a faulty ignition relay can cause the message counter to be incorrect, leading to the P16FF code.
Is the P16FF code a serious issue?
While it may not immediately prevent driving, ignoring the code can lead to more severe engine performance problems over time.
How can I fix code P16FF on my 2017 Chevrolet Silverado?
Repairs may involve replacing the ignition relay, repairing damaged wiring or connectors, or reprogramming or replacing the ECM.
Can I clear the P16FF code without fixing the issue?
Clearing the code without addressing the root cause may result in the code returning and continued performance issues.
Does the P16FF code affect fuel efficiency?
Yes, this code can negatively impact fuel efficiency due to improper ignition system operation.
Should I take my Silverado to a mechanic for a P16FF code?
If you’re unsure how to diagnose or repair the issue, it’s best to consult a qualified mechanic to avoid further damage.
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