P05C9
Generic code
Free on OBD DashX
Want real-world data on P05C9?
See which problems come with P05C9, 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 P05C9 means
- Economy Mode Switch Circuit Low
Possible symptoms
- Check the wiring and connections for any damage or loose connections
- Inspect the economy mode switch for any signs of malfunction or sticking
- Replace the economy mode switch if necessary
- Reset the vehicle's computer system to clear any error codes related to the economy mode switch circuit low error.
Possible causes
- Malfunctioning economy mode switch
- Damaged or loose wiring in the economy mode switch circuit
- Faulty economy mode switch circuit sensor
- Low battery voltage
- ECU (Engine Control Unit) failure
Possible solutions
- Engine runs rough or stalls when idling
- Decreased fuel efficiency
- Difficulty starting the vehicle
- Malfunctioning or flickering dashboard lights
- Limited power and acceleration
Free on OBD DashX
P05C9 on OBD DashX
Real-world causes, how often this code shows up, and the fix — step by step.
Open P05C9 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.