P0606 2014 Chevrolet Silverado Code - Control Module Processor Performance
Quick Answer
This diagnostic applies to internal microprocessor integrity conditions within the Engine Control Module (ECM). Common causes include Low battery voltage, Reprogram Engine Control Module (ECM), Faulty Engine Control Module. 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
- P0606 2014 Chevrolet Silverado indicates Control Module Processor Performance.
- Common causes
- Common causes include Low battery voltage, Reprogram Engine Control Module (ECM), Faulty Engine Control Module.
- 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 P0606 2014 Chevrolet Silverado Description
What are the Possible Causes of the DTC P0606 2014 Chevrolet Silverado?
- Low battery voltage
- Reprogram Engine Control Module (ECM)
- Faulty Engine Control Module
- Engine Control Module harness is open or shorted
- Engine Control Module circuit poor electrical connection
How to Fix the DTC P0606 2014 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.
Code Tech Notes
There is a Factory Service Bulletin for the following Chevrolet models:
2010 Chevrolet Express
2011 Chevrolet Express
2011 Chevrolet Silverado
Chevrolet Factory Service Bulletin OBDII Code P0606
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0606 2014 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 P0606 2014 Chevrolet Silverado code?
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Frequently Asked Questions about P0606 2014 Chevrolet Silverado Code
1. What does code P0606 mean on a 2014 Chevrolet Silverado?
P0606 indicates a Control Module Processor Performance issue, meaning the Engine Control Module (ECM) has detected an internal fault.
2. What are the common symptoms of a P0606 code on a Silverado?
Symptoms may include a check engine light, engine stalling, poor performance, hard starting, or the engine not starting at all.
3. What causes a P0606 code to appear in a 2014 Chevrolet Silverado?
Common causes include a faulty ECM, software glitches, wiring issues, poor electrical connections, or damage caused by voltage surges.
4. Can I still drive my Silverado with a P0606 code?
Driving with a P0606 code is not recommended, as it can lead to engine performance issues or a complete loss of power.
5. How do I diagnose the P0606 code on my Silverado?
Diagnosis typically involves checking for additional codes, inspecting the ECM's electrical connections, testing the wiring harness, and verifying battery voltage levels.
6. Is a P0606 code always caused by a bad ECM?
Not always—while the ECM could be faulty, issues like poor wiring, corroded connections, or low battery voltage can also trigger the code.
7. How much does it cost to fix a P0606 code on a 2014 Silverado?
The cost varies; ECM replacement can range from $500 to $1,500, while fixing wiring or connections may cost significantly less.
8. Can a software update resolve the P0606 code?
In some cases, a software update from the dealer may resolve P0606 if it’s caused by a programming glitch.
9. What tools are needed to troubleshoot the P0606 code?
You’ll need an OBDII scanner, a multimeter for electrical testing, and possibly access to the Silverado’s service manual for wiring diagrams.
10. Should the ECM be replaced immediately for a P0606 code?
No, confirm the ECM is faulty by ruling out wiring issues, connection problems, and low voltage before replacing it.
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