What does Bank 1 in the OBD code mean?
What does Bank 1 in the OBD code mean? If the signal from the back pressure sensor being sent to the engine computer is not within the manufacturer’s parameters, the computer will deem the filter to be faulty, triggering the code. Bank 1 designates the filter that is responsible for the bank of cylinders that includes cylinder one. What does Bank 1 and Bank 2 mean? Bank 1 and bank 2 simply refer to either side of the engine. Check your owner’s manual or a service manual for a positive location of bank 1 and bank 2. Most commonly, bank...