P216B 2016 GMC Sierra Code - Cylinder 5 Injector High Control Circuit Low Voltage
Quick Answer
The Engine Control Module (ECM) supplies voltage to each fuel injector on the high control circuits. Common causes include Faulty Fuel Injector 5, Fuel Injector 5 harness is open or shorted, Fuel Injector 5 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
- P216B 2016 GMC Sierra indicates Cylinder 5 Injector High Control Circuit Low Voltage.
- Common causes
- Common causes include Faulty Fuel Injector 5, Fuel Injector 5 harness is open or shorted, Fuel Injector 5 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 P216B 2016 GMC Sierra Description
What are the Possible Causes of the DTC P216B 2016 GMC Sierra?
- Faulty Fuel Injector 5
- Fuel Injector 5 harness is open or shorted
- Fuel Injector 5 circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P216B 2016 GMC Sierra?
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 P216B 2016 GMC Sierra 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 P216B 2016 GMC Sierra code?
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Frequently Asked Questions about P216B 2016 GMC Sierra Code
What does the OBDII code P216B mean for a 2016 GMC Sierra?
P216B indicates a low voltage issue in the high control circuit of the cylinder 5 injector, which may affect fuel delivery to that cylinder.
What are the symptoms of code P216B in a 2016 GMC Sierra?
Symptoms may include rough engine idle, decreased fuel efficiency, reduced engine performance, and the check engine light turning on.
What causes the P216B code to appear?
Common causes include faulty wiring or connectors in the injector circuit, a malfunctioning cylinder 5 injector, or issues with the Powertrain Control Module (PCM).
Can you drive with a P216B code on a 2016 GMC Sierra?
Driving with this code is not recommended as it can lead to engine misfires, reduced performance, and potential damage to other components.
How can I diagnose the P216B code?
Inspect the wiring and connectors for damage or corrosion, test the cylinder 5 injector for proper operation, and use a diagnostic scanner to check the PCM for related issues.
What tools are needed to fix the P216B code?
Common tools include a multimeter, diagnostic scanner, and basic automotive repair tools. A repair manual specific to your GMC Sierra may also be helpful.
How do you fix code P216B on a 2016 GMC Sierra?
Repairs typically involve fixing or replacing damaged wiring, connectors, or the cylinder 5 injector. In some cases, PCM reprogramming or replacement may be necessary.
How much does it cost to repair a P216B code?
Repair costs vary but typically range from $150 to $600 depending on whether the issue is with the wiring, injector, or PCM.
Can a bad fuel injector cause the P216B code?
Yes, a faulty cylinder 5 fuel injector can cause this code by failing to maintain proper voltage in the control circuit.
Will clearing the P216B code fix the problem?
Clearing the code may turn off the check engine light temporarily, but the underlying issue needs to be repaired to prevent the code from returning.
Discuss the causes and fixes for P216B 2016 GMC Sierra OBDII Code
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