DTC U1305 Chevrolet
O2 (B2 S2) Circuit Shorted to Power
O2 (B2 S2) Circuit Shorted to Power
Description
Engine runtime over 2 minutes, system voltage over 10.5v, ECT Sensor more than 176 #186;F, and the PCM detected the O2 signal was more than 1.21v, condition met for 3 seconds
Cause and Solution
O2 signal tracking due to wet oily condition in the connectorO2 signal circuit is open or shorted to system powerPCM has failed
Video Guide
Diagnostic Info
- DTC Code: U1305
- Brand: Chevrolet