C0040 on CHEVROLET COLORADO — Brake Pedal Switch A

Q: "What does C0040 mean on a CHEVROLET COLORADO?"

"C0040 indicates: Brake Pedal Switch A. This is a chassis code. 2 CHEVROLET COLORADO owners have reported this to NHTSA."

Q: "What are the most common causes of C0040 on CHEVROLET COLORADO?"

"Based on 2 NHTSA reports, the most commonly cited components are: Service Brakes, Hydraulic. These percentages are based on the component field in owner complaints."

Q: "Is C0040 serious on my CHEVROLET COLORADO?"

"Of 2 NHTSA reports for this code on CHEVROLET COLORADO, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic."

Q: "What should I do if my CHEVROLET COLORADO shows C0040?"

"1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare."

What C0040 Means on Your CHEVROLET COLORADO

C0040 is a diagnostic trouble code indicating: Brake Pedal Switch A. This code relates to the chassis system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

2 CHEVROLET COLORADO owners have reported this issue to NHTSA across model years 2005. Most reports come from the 2005 model year. The most commonly reported component is Service Brakes, Hydraulic (100.0% of reports).

Real CHEVROLET COLORADO Owner Reports

Source: NHTSA Complaints Database

"I have a 2005 chevy colorado 2wd. i have a abs problem, the abs fault comes on while driving down the road. checked codes getting c0035 c0040 c0220. i found bad wheel hub on left side. replaced hub and abs sensor. still had problem checked codes again,told me the right side abs sensor bad."

— 2005 CHEVROLET COLORADO owner · SERVICE BRAKES, HYDRAULIC · Filed 03/10/2006

"The abs light comes on and off frequently. i brought to dealership and was told that its because the hub bearing and wheel sensors are rubbing against abs light wire to cause it to turn on. and there is a bulletin for this problem but not recall so i have to pay for it."

— 2005 CHEVROLET COLORADO owner · SERVICE BRAKES, HYDRAULIC · Filed 06/15/2009

All reports filed by vehicle owners directly with the U.S. Department of Transportation.

📊 Complaint Trend by Model Year

2

'05

Common Causes on CHEVROLET COLORADO

Based on NHTSA complaint component analysis for this vehicle.

SERVICE BRAKES, HYDRAULIC 100%

What To Do Next

1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50–$150) pinpoints the root cause before you spend money on parts.
3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.

Frequently Asked Questions

What does C0040 mean on a CHEVROLET COLORADO? ▾

C0040 indicates: Brake Pedal Switch A. This is a chassis code. 2 CHEVROLET COLORADO owners have reported this to NHTSA.

What are the most common causes of C0040 on CHEVROLET COLORADO? ▾

Based on 2 NHTSA reports, the most commonly cited components are: Service Brakes, Hydraulic. These percentages are based on the component field in owner complaints.

Is C0040 serious on my CHEVROLET COLORADO? ▾

Of 2 NHTSA reports for this code on CHEVROLET COLORADO, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.

What should I do if my CHEVROLET COLORADO shows C0040? ▾

1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare.

C0040 on Other Vehicles

→ All codes reported on CHEVROLET COLORADO