P0800 2015 Chevrolet Silverado Code - Active Transfer Case Control Module Requested MIL Illumination
Quick Answer
Control modules constantly monitor the vehicle for any condition which may adversely affect vehicle performance. Common causes include Check Active Transfer Case Control Module for codes, Faulty Active Transfer Case 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
- P0800 2015 Chevrolet Silverado indicates Active Transfer Case Control Module Requested MIL Illumination.
- Common causes
- Common causes include Check Active Transfer Case Control Module for codes, Faulty Active Transfer Case 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 P0800 2015 Chevrolet Silverado Description
The DTC will be set when the ECM receives a serial data message from the Active Transfer Case Control Module indicating that DTC has been set in the module.
What are the Possible Causes of the DTC P0800 2015 Chevrolet Silverado?
- Check Active Transfer Case Control Module for codes
- Faulty Active Transfer Case Control Module
How to Fix the DTC P0800 2015 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 P0800 2015 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 P0800 2015 Chevrolet Silverado code?
Need more information on how to fix the P0800 2015 Chevrolet Silverado code? Get Access to Factory Service Manuals
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Frequently Asked Questions about P0800 2015 Chevrolet Silverado Code
1. What does the OBDII code P0800 mean on a 2015 Chevrolet Silverado?
The P0800 code indicates that the Active Transfer Case Control Module has requested the Malfunction Indicator Lamp (MIL) to illuminate due to a detected issue.
2. What are the common symptoms of code P0800 in a 2015 Chevrolet Silverado?
Common symptoms include the Check Engine Light or Service 4WD light turning on, issues with engaging or shifting between 4WD modes, and possible drivetrain performance problems.
3. What causes the P0800 code to appear on a 2015 Chevrolet Silverado?
The code can be triggered by issues such as faulty wiring, a malfunctioning transfer case control module, sensor failures, or low transfer case fluid levels.
4. Can I keep driving my 2015 Chevrolet Silverado with the P0800 code?
While the truck may still be drivable, ignoring the code could lead to further damage to the transfer case system or drivetrain components. It’s best to diagnose and repair the issue promptly.
5. How do I diagnose the P0800 code on a 2015 Chevrolet Silverado?
Use an OBDII scanner to confirm the code, inspect the wiring and connectors to the transfer case control module, check the transfer case fluid level, and test the module and related sensors.
6. Is the transfer case control module always the issue when the P0800 code appears?
No, the problem could also stem from corroded wiring, a faulty sensor, or other electrical faults within the transfer case system.
7. How much does it cost to repair the P0800 code on a 2015 Chevrolet Silverado?
Costs vary depending on the issue, but replacing the transfer case control module could range from $300 to $600, while fixing wiring or sensor issues may be less expensive.
8. Can low transfer case fluid cause the P0800 code?
Yes, low or contaminated transfer case fluid can lead to improper operation of the transfer case system and trigger the P0800 code.
9. What tools are needed to fix the P0800 code on a 2015 Chevrolet Silverado?
You’ll need an OBDII scanner, a multimeter for electrical testing, basic hand tools, and possibly a transfer case fluid pump if fluid replacement is required.
10. Do I need to reprogram the transfer case control module after replacement?
Yes, in some cases, the new module may need to be programmed or calibrated to work correctly with your vehicle's system. Check the service manual or consult a professional.
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