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Home >> Jeep >> 2022 >> Gladiator Mojave, Part Time T/Case Control, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 33 (3.0L Diesel - DTCS P26A3-00 To U0121-00) >> DTC Troubleshooting >> P26A3-00-Engine Coolant Bypass Valve 1 Performance >> Possible Causes

Possible Causes

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Possible Causes
FUSED IGNITION RUN/START CIRCUIT OPEN OR SHORTED TO GROUND
COOLANT THREE WAY VALVE GROUND CIRCUIT OPEN
COOLANT THREE WAY VALVE STUCK
POWERTRAIN CONTROL MODULE (PCM)

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