Showing articles & questions for topic

Related articles

B1812 OBD-II Trouble Code: Lamp Backup Switch Input Circuit Short to Battery
B1812 means there is a circuit issue with a lamp backup switch, possibly due to a blown fuse or bulb defect.

Need a mechanic?

Our certified mobile mechanics make house calls in over 700 U.S. cities. Fast, free online quotes for your car repair.

Get a quote

Post a question and get free advice from our certified mechanics.

Ask a question