garajizOBD-II code · manufacturer-specific
B1821
Wiper Rear Motor Up Relay Coil Circuit Short To Ground
- System
- B — Body electronics
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does B1821 mean?
B1821 is defined as “Wiper Rear Motor Up Relay Coil Circuit Short To Ground”.
Drive gently and only as far as you need to; have it checked as soon as possible.
Manufacturer-specific meanings
The same code can mean something different on some makes.
- Toyota: Side Airbag Squib RH Circuit Open
Related codes
- B1820Wiper Rear Motor Up Relay Coil Circuit Short To Battery
- B1822Wiper Rear Park Sense Input Circuit Failure
- B1819Wiper Rear Motor Up Relay Coil Circuit Open
- B1823Wiper Rear Park Sense Input Circuit Open
- B1818Wiper Rear Motor Up Relay Coil Circuit Failure
- B1824Wiper Rear Park Sense Input Circuit Short To Battery
Look up another code
This page is general information; an exact diagnosis needs measurements and a technician’s check.