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Home >> Alfa Romeo >> 2019 >> Giulia Base, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Seats >> (Comfort Rear Seats Module (CRSM) - Electrical Diagnostics) >> DTC Troubleshooting >> B1EB1-29-Rear Left Heater Temperature Sensor- Signal Signal Invalid >> Possible Causes

Possible Causes

Possible Causes
LEFT REAR HEATED SEAT TEMP SENSE CIRCUIT OPEN OR HIGH RESISTANCE
HEATED SEAT SENSOR RETURN CIRCUIT OPEN OR HIGH RESISTANCE
LEFT REAR HEATED SEAT TEMP SENSE CIRCUIT SHORT TO VOLTAGE
LEFT REAR HEATED SEAT TEMP SENSE CIRCUIT SHORT TO GROUND
REAR LEFT SEAT HEATER
COMFORT REAR SEAT MODULE (CRSM)

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