P26C9 — Chassis Control Module 2 Requested MIL Illumination

What Does P26C9 Mean?

P26C9 is a diagnostic trouble code indicating: Chassis Control Module 2 Requested MIL Illumination. This code relates to the powertrain system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P26C9

⚠️ Check Engine Light (MIL) illuminated
⚠️ Chassis Control Module 2 Requested MIL Illumination not functioning as expected
⚠️ Related system may be in fail-safe mode
⚠️ Reduced engine performance

Common Causes

🔍 Faulty Chassis Control Module 2 Requested MIL Illumination
🔍 Wiring or connector issue in Chassis Control Module 2 Requested MIL Illumination circuit
🔍 Related mechanical or electrical fault
🔍 ECM/PCM issue (rare)

Frequently Asked Questions

What does P26C9 mean?

P26C9 indicates: Chassis Control Module 2 Requested MIL Illumination. The vehicle's computer has detected that the Chassis Control Module 2 Requested MIL Illumination is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P26C9?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P26C9 for extended periods may cause additional problems.

How much does it cost to fix P26C9?

Repair costs for P26C9 typically range from $80 to $300, depending on the root cause. Simple wiring or connector repairs are on the lower end, while component replacement costs more. A proper diagnosis ($80–$150 at most shops) will identify the exact cause before committing to expensive parts.

What To Do Next

Possible Fixes

🔧 Inspect Chassis Control Module 2 Requested MIL Illumination and related wiring
🔧 Replace faulty Chassis Control Module 2 Requested MIL Illumination

1
Find your vehicle above
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2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

P26C9: Chassis Control Module 2 Requested MIL Illumination