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Home >> Jeep >> 2021 >> Grand Cherokee L Laredo, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 19 (5.7L - DTCS P1496 To P2166) >> DTC Troubleshooting >> P2135-Throttle Position Sensor 1/2 Correlation >> Possible Causes

Possible Causes

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

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