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Home >> Fiat >> 2015 >> 500 Pop, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 30 (1.4L 16-Valve Turbo - DTCS P0016-00 To P0270-00 - 500) >> DTC Troubleshooting >> P0141-00-O2 Sensor 1/2 Heater Performance >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
RESISTANCE IN THE O2 SENSOR 1/2 HEATER CONTROL CIRCUIT IS TOO HIGH OR LOW
RESISTANCE IN THE FUSED ASD RELAY OUTPUT CIRCUIT IS TOO HIGH OR LOW
O2 SENSOR
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .