P0025: B Camshaft Position - Timing Over-Retarded Bank 2
What Does P0025 Mean?
P0025 is a diagnostic trouble code indicating: B Camshaft Position - Timing Over-Retarded Bank 2. This code relates to the fuel and air metering system. It has been reported in NHTSA complaints across 1 different vehicle models.
Symptoms of P0025
- ⚠️ Check engine light illuminated
Real Owner Reports
From NHTSA complaint database — actual owner descriptions.
"CAR WAS ACTING WIELD WHILE DRIVING AT 55 OR 65 MPH ON FREEWAY FOR SOMETIMES AND SUDDENLY ENGINE GOT KILL OFF COMPLETELY ON FREEWAY 57 AND I WAS ALMOST GOT KILL WITH THIS BENZ. THE CAR CHECK ENGINE LIGHT WENT ON FOR A FEW DAYS AND THEN WENT OFF AGAIN AND I DON'T KNOW WHAT IS THAT MEANS SO I HAD THE C"
— Mercedes-Benz E-Class owner, 09/27/2012
Source: NHTSA Complaints Database
Most Reported Vehicles for P0025
Based on NHTSA owner complaint data.
| # | Vehicle | Reports |
|---|---|---|
| 1 | MERCEDES-BENZ E-CLASS |
Frequently Asked Questions
Can I drive with this code?
Will this code cause my car to fail emissions?
How much does it typically cost to fix?
What To Do Next
Possible Fixes
- 🔧 Have the code scanned with a professional-grade scanner to read freeze frame data
- 🔧 Clean or replace the mass air flow (MAF) sensor; check for vacuum leaks
- 🔧 If DIY repair isn't feasible, get a diagnostic from a trusted mechanic ($50-150)
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Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
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Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
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Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.