P030B
Generic code
Free on OBD DashX
Want real-world data on P030B?
See which problems come with P030B, how often it shows up in other vehicles, and how to fix it — step by step.
- Real-world fix data
- How often it happens
- Step-by-step repairs
What P030B means
- Ignition A Control Signal Circuit Low
Possible symptoms
- Check the wiring and connections of the Ignition A Control Signal Circuit.
- Inspect and test the Ignition A Control Module for any faults or malfunctions.
- Verify the condition of the ignition coil and replace if necessary.
- Ensure that the ignition spark plugs are in proper working condition and clean or replace if needed.
Possible causes
- Faulty ignition coil
- Problem with ignition control module
- Wiring issue in the ignition system
- Faulty ignition switch
- Malfunctioning engine control unit
Possible solutions
- Engine misfire or hesitation
- Reduced power or loss of power
- Rough idling or stalling
- Difficulty starting the engine
- Decreased fuel efficiency
Free on OBD DashX
P030B on OBD DashX
Real-world causes, how often this code shows up, and the fix — step by step.
Open P030B No sign-up needed · available in 10 languagesScan your own car
Read and clear fault codes, live data and service resets with the CaRPM app.