P0202 2015 GMC Sierra Code - Cylinder 2 Injector Control Circuit
Quick Answer
The Engine Control Module (ECM) supplies voltage to each fuel injector on the high control circuits. Common causes include Faulty Fuel Injector 2, Fuel Injector 2 harness is open or shorted, Fuel Injector 2 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
- P0202 2015 GMC Sierra indicates Cylinder 2 Injector Control Circuit.
- Common causes
- Common causes include Faulty Fuel Injector 2, Fuel Injector 2 harness is open or shorted, Fuel Injector 2 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 P0202 2015 GMC Sierra Description
What are the Possible Causes of the DTC P0202 2015 GMC Sierra?
- Faulty Fuel Injector 2
- Fuel Injector 2 harness is open or shorted
- Fuel Injector 2 circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0202 2015 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 P0202 2015 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 P0202 2015 GMC Sierra code?
Need more information on how to fix the P0202 2015 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0202 2015 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0202 2015 GMC Sierra Code
What does OBDII code P0202 mean on a 2015 GMC Sierra?
P0202 indicates a problem with the injector control circuit for cylinder 2. The engine control module (ECM) has detected an open or short in the circuit.
What are the common symptoms of code P0202?
Symptoms may include rough idling, reduced engine performance, misfires, increased fuel consumption, or the Check Engine Light turning on.
What causes the P0202 code to appear?
Common causes include a faulty fuel injector, damaged or corroded wiring, a failed injector driver in the ECM, or loose electrical connections in the circuit.
Can I drive my 2015 GMC Sierra with a P0202 code?
While the vehicle may still be drivable, you risk further engine damage, reduced fuel efficiency, and poor performance. It's best to address the issue promptly.
How do I diagnose a P0202 code?
Start by inspecting the wiring and connectors for cylinder 2's injector. If no issues are found, test the fuel injector and the voltage at the injector connector. A scan tool or multimeter may be needed.
What tools are required to fix a P0202 code?
Common tools include a scan tool, multimeter, fuel injector tester, and basic hand tools like screwdrivers and pliers for inspecting and repairing wiring.
How much does it cost to repair a P0202 code?
Repair costs vary depending on the issue. Replacing a fuel injector may cost $150–$300, while wiring repairs or ECM replacement could be more expensive.
Can a dirty fuel injector cause a P0202 code?
Yes, a clogged or dirty injector may cause poor performance or misfires, but the code specifically points to an electrical circuit issue. Cleaning the injector won't fix a wiring or connection problem.
How can I prevent a P0202 code from recurring?
Regular maintenance, such as inspecting and cleaning electrical connections and ensuring proper fuel system care, can help prevent injector circuit issues.
Does the P0202 code require ECM replacement?
Not always. ECM replacement is only necessary if the injector driver circuit inside the ECM has failed, which should be diagnosed after ruling out wiring and injector issues.
Discuss the causes and fixes for P0202 2015 GMC Sierra OBDII Code
Code P0202 2015 GMC Sierra comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
