DTC U2016 Ford
O2 (B1 S1) Short to Ground
O2 (B1 S1) Short to Ground
Description
ECT Sensor No. 170ºF or more at previous key on, ECT Sensor below 90ºF and BTS signal within 27ºF of the ECT, and the PCM detected the O2 input was below 156 mV for 28 seconds.
Cause and Solution
O2 signal circuit is shorted to chassis or Sensor groundO2 signal circuit is open (circuit reads 450 mV when open)O2 ground circuit is open (circuit reads 170 mV when open)O2 may be contaminated or it has failedPCM has failed
Video Guide
Diagnostic Info
- DTC Code: U2016
- Brand: Ford