DTC P1401: EGR Temperature Sensor: Notes

NOTE: Using the following diagnostic procedure assumes the presence of a current (hard) DTC or the ability to duplicate the setting of the DTC using DTC confirmation test(s), intermittent recreation procedures or a test drive under conditions stored in freeze frame data. See TESTING PROCEDURE under SELF-DIAGNOSTIC SYSTEM in SELF-DIAGNOSTICS - INTRODUCTION article. If DTC cannot be duplicated, proceed to TROUBLE SHOOTING - NO CODES article for diagnosis by symptom.

NOTE: Perform the following DTC confirmation tests in order. Check for DTC after each DTC confirmation test is performed. If DTC is set, perform DIAGNOSTIC PROCEDURE. If DTC is not set, turn ignition off for 10 seconds between each DTC confirmation test.