Error code
OBD2 P2149
OBD2P2149
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/Open.
Severity
moderateCan drive but may experience poor performance and fuel efficiency.
Summary
P2149 indicates an open circuit in the supply voltage for fuel injectors in group B, typically related to wiring or the engine control relay.
Common Causes
- Wiring issues
- Engine Control (EC) Relay failure
Fixes
- Repair or replace faulty wiring.
- Replace the engine control relay if it is defective.
FAQ
What does P2149 mean?
P2149 indicates an issue with the supply voltage circuit for fuel injectors in group B, usually due to wiring or a faulty relay.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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