AutoCodes – Chevrolet – P0800 2017 Chevrolet Silverado

P0800 2017 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 2017 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 447
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 15, 2022
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Code P0800 2017 Chevrolet Silverado Description

Control modules constantly monitor the vehicle for any condition which may adversely affect vehicle performance. If a condition is detected, the module sets a Diagnostic Trouble Code (DTC) and sends a serial data message to the Engine Control Module (ECM). The ECM sets a DTC to inform that the module has set a DTC. The serial data message sent by the module also contains a request for the ECM to illuminate the Malfunction Indicator Lamp (MIL).
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.
OBDII Code P0800 2017 Chevrolet Silverado - Active Transfer Case Control Module Requested MIL Illumination - AutoCodes.com
P0800 2017 Chevrolet Silverado Code - Active Transfer Case Control Module Requested MIL Illumination

What are the Possible Causes of the DTC P0800 2017 Chevrolet Silverado?

  • Check Active Transfer Case Control Module for codes
  • Faulty Active Transfer Case Control Module

How to Fix the DTC P0800 2017 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 2017 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 2017 Chevrolet Silverado code?

Need more information on how to fix the P0800 2017 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0800 2017 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0800 2017 Chevrolet Silverado Code

1. What does the OBDII code P0800 on a 2017 Chevrolet Silverado mean?

The code P0800 on a 2017 Chevrolet Silverado indicates an issue with the Active Transfer Case Control Module Requested MIL Illumination.

2. What are the common symptoms of OBDII code P0800 on a 2017 Chevrolet Silverado?

Common symptoms of code P0800 may include the check engine light coming on, reduced traction control functionality, and potential issues with the vehicle's transfer case.

3. What are the possible causes of OBDII code P0800 on a 2017 Chevrolet Silverado?

Potential causes of code P0800 can include a faulty transfer case control module, wiring issues, a malfunctioning transfer case actuator, or communication problems within the vehicle's network.

4. How can I diagnose the OBDII code P0800 on my 2017 Chevrolet Silverado?

Diagnosing code P0800 typically involves using a scan tool to retrieve the specific details of the fault code, checking the transfer case control module and related components for proper operation, and inspecting the wiring for any damage or corrosion.

5. Can I continue driving my 2017 Chevrolet Silverado with the OBDII code P0800?

It is not recommended to ignore code P0800 and continue driving your Silverado, as it can lead to further damage and safety concerns. It is best to have the issue diagnosed and repaired promptly.

6. How can I repair the OBDII code P0800 on my 2017 Chevrolet Silverado?

Repairing code P0800 may involve replacing the faulty transfer case control module, repairing damaged wiring, addressing communication issues, or servicing the transfer case actuator as needed.

7. Will resetting the check engine light resolve the OBDII code P0800 on my 2017 Chevrolet Silverado?

Simply resetting the check engine light may temporarily clear the code, but it will not fix the underlying issue causing code P0800. Proper diagnosis and repair are necessary to address the problem.

8. Is the OBDII code P0800 a common issue in 2017 Chevrolet Silverado vehicles?

While code P0800 is not as common as some other codes, it can still occur in 2017 Chevrolet Silverado vehicles due to various factors such as electronic component failures or wiring issues.

9. Can I prevent OBDII code P0800 from occurring in my 2017 Chevrolet Silverado?

Regular maintenance, including checking the transfer case components and wiring for any signs of wear or damage, can help prevent issues like code P0800 in your 2017 Silverado.

10. How much does it typically cost to repair OBDII code P0800 on a 2017 Chevrolet Silverado?

The cost of repairing code P0800 can vary depending on the specific cause of the issue, the needed parts, and labor costs. It is recommended to consult with a professional mechanic for an accurate estimate.

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