P3497 on HONDA ACCORD — Cylinder Deactivation System Bank 2

Q: "What does P3497 mean on a HONDA ACCORD?"

"P3497 indicates: Cylinder Deactivation System Bank 2. This is a powertrain code. 2 HONDA ACCORD owners have reported this to NHTSA."

Q: "What are the most common causes of P3497 on HONDA ACCORD?"

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

Q: "Is P3497 serious on my HONDA ACCORD?"

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

Q: "What should I do if my HONDA ACCORD shows P3497?"

"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 P3497 Means on Your HONDA ACCORD

P3497 is a diagnostic trouble code indicating: Cylinder Deactivation System Bank 2. This code relates to the powertrain system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

2 HONDA ACCORD owners have reported this issue to NHTSA across model years 2008. Most reports come from the 2008 model year. The most commonly reported component is Service Brakes,Engine (50.0% of reports).

Real HONDA ACCORD Owner Reports

Source: NHTSA Complaints Database

"Brakes: ABS system has been feeling funny for some months. Engine: Consistent P3497 Code which has turned into a check light ON."

— 2008 HONDA ACCORD owner · SERVICE BRAKES,ENGINE · Filed 03/11/2021

"The check engine light kept coming up with the maintenance light and the oil level kept dropping.i took it to autozone and i got these coded p3497 and p3400. i did a research myself and found out that there was a recall on this issue as stated in honda's bulletin 11-033."

— 2008 HONDA ACCORD owner · ENGINE · Filed 09/09/2018

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

📊 Complaint Trend by Model Year

2

'08

Common Causes on HONDA ACCORD

Based on NHTSA complaint component analysis for this vehicle.

SERVICE BRAKES,ENGINE 50%

ENGINE 50%

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 P3497 mean on a HONDA ACCORD? ▾

P3497 indicates: Cylinder Deactivation System Bank 2. This is a powertrain code. 2 HONDA ACCORD owners have reported this to NHTSA.

What are the most common causes of P3497 on HONDA ACCORD? ▾

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

Is P3497 serious on my HONDA ACCORD? ▾

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

What should I do if my HONDA ACCORD shows P3497? ▾

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.

P3497 on Other Vehicles

→ All codes reported on HONDA ACCORD