B1819
Wiper Rear Motor Up Relay Coil Circuit Open
B1819 is an OBD-II diagnostic trouble code meaning: Wiper Rear Motor Up Relay Coil Circuit Open. Common causes: open circuit in the relay coil, faulty rear wiper relay. Estimated repair cost: $22–89.
Symptoms
- Rear windshield wiper does not work (upward movement)
- Wiper blade does not return to original position
- Rear wiper intermittent operation
Causes
- Open circuit in the relay coil
- Faulty rear wiper relay
- Wiring harness damage
- Poor contact in connectors
- Control unit malfunction
How to Fix
- Check the integrity of the relay coil circuit
- Check the condition of connectors and contacts
- Replace rear wiper relay if necessary
- Check the operation of the control unit
- Repair damaged wires or harness
Related codes
FAQ
What does the B1819 code mean?
B1819 is an OBD-II diagnostic trouble code that indicates: Wiper Rear Motor Up Relay Coil Circuit Open
What causes a B1819 error code?
The most common causes of B1819 include: Open circuit in the relay coil; Faulty rear wiper relay; Wiring harness damage; Poor contact in connectors.
How do I fix a B1819 diagnostic trouble code?
To fix B1819: Check the integrity of the relay coil circuit. Check the condition of connectors and contacts. Replace rear wiper relay if necessary. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1819?
Limited driving only, diagnose soon
How much does it cost to fix B1819?
The estimated repair cost for B1819 is $22–89. Actual cost depends on your vehicle, location, and labor rates.
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