P038B
Generic code
Free on OBD DashX
Want real-world data on P038B?
See which problems come with P038B, 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 P038B means
- Ignition I Control Signal Circuit Low
Possible symptoms
- Check and clean the ignition control sensor to ensure it is functioning properly.
- Inspect and repair any damaged or worn wiring or connections related to the ignition control signal circuit.
- Check the ignition control module for any faults or malfunctions and replace if necessary.
- Verify that the engine control unit (ECU) is functioning correctly and reprogram or replace if needed.
- In rare cases, the issue may be caused by a faulty ignition switch. Inspect and replace if necessary.
Possible causes
- Faulty ignition coil or spark plug
- Faulty ignition control module or ignition control unit
- Loose or corroded electrical connections in the ignition system
- Faulty ignition switch or key cylinder
- Damaged or worn
- out ignition wiring harness
Possible solutions
- Engine misfires or runs rough
- Decreased engine performance or power
- Difficulty starting the engine
- Poor fuel efficiency
- Illuminated check engine light
Free on OBD DashX
P038B on OBD DashX
Real-world causes, how often this code shows up, and the fix — step by step.
Open P038B 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.