DTC P0131 Alfa Romeo
O2 Sensor Circuit Low Voltage
O2 Sensor Circuit Low Voltage
Description
The Powertrain Control Module (PCM) detects a short to ground on the O2 Sensor 1 1 Signal circuit. After the first fault is detected the sensor is shutdown and re-initialized and the test is repeated. A fault is set after the monitor runs and fails for 7 counts.
Cause and Solution
O2 Sensor 1 1 Signal Circuit Shorted To Ground
O2 Sensor 1 1 Return Circuit Shorted To Ground
O2 Sensor 1 1 Positive Current Control Circuit Shorted To Ground
O2 Sensor 1 1 Pump Cell Current Trim Circuit Shorted To Ground
O2 Sensor
Video Guide
Diagnostic Info
- DTC Code: P0131
- Brand: Alfa Romeo