LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Alfa Romeo >> 2019 >> Giulia Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 16 (2.9L Pcm 2 - DTCS C1260-00 To P0276-00) >> DTC Troubleshooting >> P0152-00-O2 Sensor 2-1 Circuit High >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
O2 SENSOR 2/1 SIGNAL CIRCUIT SHORTED TO VOLTAGE
O2 SENSOR 2/1 SIGNAL CIRCUIT OPEN/HIGH RESISTANCE
O2 SENSOR 2/1 RETURN CIRCUIT OPEN/HIGH RESISTANCE
O2 SENSOR 2/1
POWERTRAIN CONTROL MODULE 2 (PCM-2)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .