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, see procedure for testing.