Error code
OBD2 P2151
OBD2P2151
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Fuel Injector Group 'B' Supply Voltage Circuit High.
Severity
moderateCan drive but monitor symptoms and address issue soon.
Summary
P2151 indicates that there is an issue with the supply voltage circuit for fuel injectors in group B, which could be due to wiring problems or issues with the engine control relay.
Common Causes
- Wiring short to positive
- Engine Control (EC) Relay
Fixes
FAQ
What does P2151 mean?
P2151 indicates a high supply voltage circuit issue for fuel injectors in group B.
How serious is P2151?
It's moderately serious. You can drive but should address it soon to prevent further issues.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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