DTC P2B8A Alfa Romeo
Intake Airo2 Sensor Circuit High Voltage
Intake Airo2 Sensor Circuit High Voltage
Description
The Powertrain Control Module (PCM) detects high voltage on the Intake O2 Sensor 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
Intake O2 Signal Circuit Shorted To Voltage
Intake O2 Return Circuit Shorted To Voltage
Intake O2 Positive Current Control Circuit Shorted To Voltage
Intake O2 Pump Cell Current Trim Circuit Shorted To Voltage
Intake O2 Sensor
Video Guide
Diagnostic Info
- DTC Code: P2B8A
- Brand: Alfa Romeo