Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
Narrow by vehicle
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
P26AB-00Engine Coolant Bypass Valve Stuck
P26ABEngine Coolant Bypass Valve Stuck
Manufacturer communications
9Original wording in English
SMART
In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles is extending the warranty coverage on the change-over valve in certain Model Year (“MY”) vehicles listed below from the origi…
RAM
Flash: Powertrain System Improvements/EnhancementsThis bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the fo…
RAM
Flash: 3.0L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience bucking under hard acceleration. In addition customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further invest…
RAM
Flash: 3.0L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience bucking under hard acceleration. In addition customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further invest…
Check vehicle applicability
8A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Ram | 1500 ↗ | 2016 |
| Ram | 1500 ↗ | 2015 |
| Ram | 1500 ↗ | 2014 |
| Ram | 1500 ↗ | 2013 |
| Smart | FORTWO ↗ | 2017 |
| Smart | FORTWO ↗ | 2016 |
| Smart | FORTWO CABRIOLET ↗ | 2017 |
| Smart | FORTWO COUPE ↗ | 2016 |
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.