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.
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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.
P2151Malfunction of injector solenoid valve drive system coimmon 1/2 B+ circuit
P2151Malfunction of injector solenoid valve drive system common 1⁄2, B+ circuit
Manufacturer communications
5Original wording in English
BUICK, CHEVROLET, GMC
This Preliminary information communicates the possibility of one or more of the following dtc's P2148, P2151, P2154, P2157 to be set as current due to internal PCM hardware issue.
HINO
ECU False P2148/P2151 DTC Detection. A subject vehicle may exhibit an illuminated check engine lamp with DTC (Diagnostic Trouble Code) P2148/P2151 (Malfunction of injector solenoid valve drive system coimmon 1/2 B+ circuit). The engine ECU may falsely detect an issue and record these DTC's in the engine ECU. enhanced ECU softwar…
HINO
AA0Q0 A subject vehicle may exhibit an illuminated check engine lamp with DTC (Diagnostic Trouble Code) P2148/P2151 (Malfunction of injector solenoid valve drive system common 1⁄2, B+ circuit). The engine ECU may falsely detect an issue and record these DTC?s in the engine ECU. Enhanced ECU software is available.
HINO
A subject vehicle may exhibit an illuminated check engine lamp with DTC (Diagnostic Trouble Code) P2148 and/or P2151. The engine ECU software may falsely detect an issue and record these DTC?s in the engine ECU. Revised engine ECU software has been made available to prevent this false detection. If DTC P2148 and/or P2151 are rec…
Check vehicle applicability
9A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Buick | ENCLAVE ↗ | 2025 |
| Chevrolet | TRAVERSE ↗ | 2025 |
| Chevrolet | TRAVERSE ↗ | 2024 |
| GMC | ACADIA ↗ | 2025 |
| GMC | ACADIA ↗ | 2024 |
| Hino | CONVENTIONAL TRUCKS W/JO8 ↗ | 2016 |
| Hino | NE8J ↗ | 2016 |
| Hino | NJ8J ↗ | 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.