Logo

B21B0 Engine Trouble Code

B21B0 code can be about replacing a broken oxygen sensor can eventually lead to a busted catalytic convertor which can cost upwards of $2,000. Taking your car into a shop will cost you around $200 depending on the car. However, an oxygen sensor is easy to replace on many cars and is usually detailed in the owner's manual. If you know where the sensor is, you only have to unclip the old sensor and replace it with a new one. Regardless of how you approach it, you should get this fixed right away.

B21B0 Code Meaning :

B
OBD-II Diagnostic Body (B) Trouble Code For Engine
2
Fuel And Air Metering (Injector Circuit Malfunctions Only)
1
Engine Oil Temperature Sensor Malfunction
b
Cylinder 10 Contribution/balance Fault
0
Reverse Input Circuit
  Engine

When you check car engine light came on code B21B0 the reason should be . However manufacturer may have a different definition for the B21B0 OBD-II Diagnostic Body (B) Trouble Code. So you should chech it on our car models.

B21B0 OBD-II Diagnostic Body (B) Trouble Code Description

B21B0 engine trouble code is about Reverse Input Circuit.

Reason For B21B0 Code

The reason of B21B0 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

B21B0 code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.

B21AB Previous Engine Trouble Code For Next Engine Trouble Code For B21FB

All Engine Trouble Codes

All engine trouble codes with P, U, B and C engine codes.

Code Search

Please fill the "Code Box" to find engine fault code.

Example: 0140

Car Models :

Please select your car.

How To Read Engine Codes ?

Ways to read engine trouble codes.

How To Clear Check Engine Lights ?

Ways to clear check engine light on car panel.

Check Engine Light Dictionary

Ways to clear check engine light on car panel.