garajizOBD-II code · manufacturer-specific
B1820
Wiper Rear Motor Up Relay Coil Circuit Short To Battery
- System
- B — Body electronics
- Severity
- Minor (2/5)
- Can I keep driving?
- Usually safe to drive
What does B1820 mean?
B1820 is defined as “Wiper Rear Motor Up Relay Coil Circuit Short To Battery”.
You can usually keep driving, but have it checked soon so a small fault doesn’t become a bigger one.
Manufacturer-specific meanings
The same code can mean something different on some makes.
- Toyota: Side Airbag Squib RH Circuit Short
Related codes
- B1819Wiper Rear Motor Up Relay Coil Circuit Open
- B1821Wiper Rear Motor Up Relay Coil Circuit Short To Ground
- B1818Wiper Rear Motor Up Relay Coil Circuit Failure
- B1822Wiper Rear Park Sense Input Circuit Failure
- B1817Wiper Rear Motor Down Relay Coil Circuit Short To Ground
- B1823Wiper Rear Park Sense Input Circuit Open
Look up another code
This page is general information; an exact diagnosis needs measurements and a technician’s check.