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 communications
3Original wording in English
MERCEDES-BENZ, MERCEDES-MAYBACH
Complaint Customer states that the yellow "Coolant" message is populated in the instrument cluster. The following DTC is found stored in the PTCU: P2B2A7A - The speed of the 'Coolant pump' component part is too high. A leak or defective seal was detected Notes on fault code: The fault code concerns the right rear 15 W pump on th…
MERCEDES-BENZ, MERCEDES-MAYBACH
Complaint Yellow "Coolant" message in instrument cluster • Compare the sound and feel of each pump. An improperly functioning, bled, or faulty pump will make a very distinct churning noise. The pumps should be near silent and should not vibrate or heat up. • If you find a pump that is making more noise than the others it is most…
AUDI
This bulletin provides information for when there is an electric drive fault, cooling system B16A284 B16A285 B16A384 B16A385 P053400 P0CE900 P139B00 P2B2A00.
Check vehicle applicability
27A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Audi | AUDI ↗ | Year unknown |
| Audi | E-TRON ↗ | 2023 |
| Audi | E-TRON SPORTBACK ↗ | 2024 |
| Audi | E-TRON SPORTBACK ↗ | 2023 |
| Audi | Q8 ↗ | 2024 |
| Audi | SQ8 ↗ | 2024 |
| Mercedes-Benz | AMG GLE63 S ↗ | 2022 |
| Mercedes-Benz | AMG GLE63 S ↗ | 2021 |
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.