P0658
Actuator Supply Voltage A Circuit Low
Generic code
Computer Output Circuit
High severity
Hard repair
Free on OBD DashX
Want real-world data on P0658?
See which problems come with P0658, 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 P0658 means
- The fault code P0658 indicates that there is an issue with the circuit that controls the actuator supply voltage 'A'. This may cause the engine to run poorly or not start at all.
Possible symptoms
- Illuminated check engine light
- Reduced engine power or acceleration
- Rough idle or stalling
- Engine may not start
Possible causes
- Short in the actuator supply voltage 'A' circuit
- Failed actuator supply voltage 'A' sensor
- Faulty wiring or connections in the circuit
- Loose or corroded electrical connections
- Failed engine control module (ECM)
Related parts
- Engine Control Module (ECM): ECM is the part of the car computer that controls the engine system and performance. Problems lead to poor fuel economy, engine stalling & unwanted engine vibrations
Possible solutions
- Inspect and repair any damaged wiring or connections in the actuator supply voltage 'A' circuit
- Replace the actuator supply voltage 'A' sensor
- Tighten or clean any loose or corroded electrical connections
- Replace the engine control module (ECM) if necessary
Free on OBD DashX
P0658 on OBD DashX
Real-world causes, how often this code shows up, and the fix — step by step.
Open P0658 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.