Diagnostic Fault Information
WARNING: This page is about a different car, the 2018 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.
MAF Sensor Supply Voltage Control Circuit
| Circuit |
Short to Ground |
Open/High Resistance |
Short to Voltage |
Signal Performance |
| Ignition Voltage |
P0102, P121B |
P0102, P121A |
P0690 |
- |
| MAF Control |
P121B |
P0102, P121A |
P0102, 121C* |
- |
| *Internal ECM or sensor damage may occur if the circuit is shorted to B+. |