Possible Causes
WARNING: This page is about a different car, the 2016 Jeep Wrangler and 2015 Jeep Wrangler. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
| (B20) BRAKE FLUID LEVEL SIGNAL CIRCUIT OPEN |
| (B20) BRAKE FLUID LEVEL SIGNAL CIRCUIT SHORTED TO BATTERY VOLTAGE |
| BRAKE FLUID LEVEL SWITCH INTERNAL FAILURE |
| (K91) SENSOR GROUND CIRCUIT OPEN |
| TOTALLY INTEGRATED POWER MODULE (TIPM) |