LEMON Manuals: Even more car manuals for everyone
Home >> Jeep >> 2018 >> Grand Cherokee Laredo, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (3.0L Diesel - DTCS P2201-00 To P24F2-00) >> DTC Troubleshooting >> P22A7-00-NOX Sensor Heater Sense Circuit Range/Performance - Bank 1 >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
ENGINE MISFIRE
EXCESSIVE FUEL OR OIL INTRODUCED INTO THE EXHAUST SYSTEM
FAULTY DEF INJECTOR
DIESEL EXHAUST FLUID CRYSTALLIZATION OR DEPOSITS
NOx SENSOR 1/1 DRIFTED OUT OF RANGE

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