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Home >> Alfa Romeo >> 2019 >> Giulia Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (2.9L Pcm 1 - DTCS P2100-00 To P3405-00) >> DTC Troubleshooting >> P2135-00-Throttle Position Sensor 1 / 2 Correlation >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
HIGH RESISTANCE IN THE TPS 1 OR TPS 2 SIGNAL CIRCUIT
HIGH RESISTANCE IN THE 5-VOLT SUPPLY CIRCUIT
HIGH RESISTANCE IN THE TPS RETURN CIRCUIT
TPS 1 SIGNAL CIRCUIT AND TPS 2 SIGNAL CIRCUIT SHORTED TOGETHER
THROTTLE POSITION SENSOR/THROTTLE BODY
POWERTRAIN CONTROL MODULE 1 (PCM-1)

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