P26C9 Code - Auxiliary Chassis 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 Auxiliary Chassis Control Module for codes, Faulty Auxiliary Chassis 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
- P26C9 indicates Auxiliary Chassis Control Module Requested MIL Illumination.
- Common causes
- Common causes include Check Auxiliary Chassis Control Module for codes, Faulty Auxiliary Chassis 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 P26C9 Description
The DTC will be set when the ECM receives a serial data message from the Auxiliary Chassis Control Module indicating that DTC has been set in the module.
What are the Possible Causes of the DTC P26C9?
- Check Auxiliary Chassis Control Module for codes
- Faulty Auxiliary Chassis Control Module
How to Fix the DTC P26C9?
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 P26C9 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 P26C9 code?
Need more information on how to fix the P26C9 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P26C9 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- P26C9 Buick — Auxiliary Chassis Control Module Requested MIL Illumination
- P26C9 Cadillac — Auxiliary Chassis Control Module Requested MIL Illumination
- P26C9 Chevrolet — Auxiliary Chassis Control Module Requested MIL Illumination
- P26C9 GMC — Auxiliary Chassis Control Module Requested MIL Illumination
Frequently Asked Questions about P26C9 Code
1. What does the OBDII code P26C9 mean?
P26C9 indicates that the Auxiliary Chassis Control Module has requested the Malfunction Indicator Light (MIL) to illuminate due to a detected issue within its system.
2. What are the common symptoms of the P26C9 code?
Symptoms include the MIL (check engine light) being illuminated, potential stability or suspension system warnings, and possibly degraded vehicle handling or ride quality.
3. What causes the P26C9 code to appear?
Common causes include a malfunctioning Auxiliary Chassis Control Module, wiring or connector issues, or faults in related systems like suspension or stability control.
4. Is the P26C9 code serious?
Yes, it can be serious as it may affect vehicle handling or safety systems. Prompt diagnosis and repair are recommended to avoid further issues.
5. How is the P26C9 code diagnosed?
A technician will scan for additional codes, inspect the Auxiliary Chassis Control Module and related wiring, and perform tests to pinpoint the exact issue.
6. Can I drive with the P26C9 code?
Driving with this code may be possible, but it’s not recommended as it could compromise safety systems. Have the issue inspected as soon as possible.
7. What repairs can fix the P26C9 code?
Repairs may include replacing the Auxiliary Chassis Control Module, repairing or replacing damaged wiring or connectors, or addressing faults in related systems.
8. How much does it cost to fix the P26C9 code?
Repair costs vary depending on the root cause but may range from $200 to $1,000 or more depending on parts and labor.
9. Can the P26C9 code be cleared without repair?
Clearing the code without addressing the root cause is not recommended, as the MIL will likely reappear if the issue persists.
10. What preventive measures can help avoid the P26C9 code?
Regular maintenance, inspecting electrical connections, and addressing suspension or stability control system issues early can help prevent this code.
Discuss the causes and fixes for P26C9 OBDII Code
Code P26C9 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.
