HYUNDAI
21-01-045H-1
Manufacturer communications
- Publication date
- 2021-09-14
- Received by NHTSA
- 2021-10-08
- NHTSA record numbers
- 10202182
Manufacturer summary
Original wording in English
Certain 2019MY Nexo vehicles may illuminate a check engine light due to a powertrain related DTC P1D3D94 (Coolant Stack Pump – Motor or Internal Controller Malfunction) resulting in reduced engine power due to cracking in the stack coolant pump rotor molding. This bulletin provides replacement procedures related to the stack coolant pump.
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Hyundai
P1D3D94Coolant Stack Pump – Motor or Internal Controller MalfunctionCheck vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Hyundai | NEXO | 2019 |