OBD-II code · manufacturer-specific
B1859
Climate Control A/C Pressure Switch Circuit Open
- System
- B — Body electronics
- Severity
- Low (1/5)
- Can I keep driving?
- Usually safe to drive
What does B1859 mean?
B1859 is defined as “Climate Control A/C Pressure Switch Circuit Open”.
You can usually keep driving, but have it checked soon so a small fault doesn’t become a bigger one.
Related codes
- B1858Climate Control A/C Pressure Switch Circuit Failure
- B1860Climate Control A/C Pressure Switch Circuit Short To Battery
- B1857Climate Control On/Off Switch Circuit Failure
- B1861Climate Control A/C Pressure Switch Circuit Short To Ground
- B1856Climate Control Air Temperature Internal Sensor Motor Circuit Short To Ground
- B1862Climate Control A/C Lock Sensor Failure
Look up another code
This page is general information; an exact diagnosis needs measurements and a technician’s check.