P2157 2016 Chevrolet Silverado Code - Cylinder 4 Injector High Control Circuit High 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 4, Fuel Injector 4 harness is open or shorted, Fuel Injector 4 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
- P2157 2016 Chevrolet Silverado indicates Cylinder 4 Injector High Control Circuit High Voltage.
- Common causes
- Common causes include Faulty Fuel Injector 4, Fuel Injector 4 harness is open or shorted, Fuel Injector 4 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 P2157 2016 Chevrolet Silverado Description
What are the Possible Causes of the DTC P2157 2016 Chevrolet Silverado?
- Faulty Fuel Injector 4
- Fuel Injector 4 harness is open or shorted
- Fuel Injector 4 circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P2157 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 P2157 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 P2157 2016 Chevrolet Silverado code?
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Frequently Asked Questions about P2157 2016 Chevrolet Silverado Code
1. What does the OBDII code P2157 mean on a 2016 Chevrolet Silverado?
P2157 indicates an issue with the Cylinder 4 Injector High Control Circuit, specifically that the voltage is higher than expected.
2. What are the common symptoms of code P2157 in a 2016 Silverado?
Symptoms may include rough idling, reduced engine performance, misfires, poor fuel economy, or the Check Engine Light being illuminated.
3. What causes the P2157 code on a 2016 Chevrolet Silverado?
Common causes include a faulty fuel injector, damaged wiring or connectors in the injector circuit, or a malfunctioning Powertrain Control Module (PCM).
4. Can I drive my 2016 Silverado with the P2157 code?
Driving with this code is not recommended, as it can lead to reduced performance, potential engine damage, and unsafe driving conditions.
5. How do I diagnose the P2157 code on my 2016 Silverado?
Diagnosis involves checking the injector wiring and connectors for damage, testing the injector itself for proper function, and verifying the PCM’s output signals.
6. How do I fix the P2157 code on a 2016 Chevrolet Silverado?
Repairs may include replacing the faulty injector, repairing or replacing damaged wiring or connectors, or reprogramming or replacing the PCM if necessary.
7. Is a faulty fuel injector the only cause of the P2157 code?
No, other causes include wiring issues, connector damage, or a PCM malfunction.
8. How much does it cost to fix the P2157 code on a 2016 Silverado?
Repair costs vary but typically range from $150 to $500, depending on whether the issue is with the injector, wiring, or PCM.
9. Can a weak battery trigger the P2157 code on a 2016 Chevrolet Silverado?
A weak battery is unlikely to trigger this code, but electrical issues in the injector circuit could be related to voltage irregularities.
10. Will clearing the P2157 code with a scanner fix the issue?
Clearing the code will turn off the Check Engine Light temporarily, but the underlying problem must be resolved to prevent the code from returning.
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