Test Description

WARNING: This page is about a different car, the 2003 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

The number(s) below refer to the step number(s) on the diagnostic table.

Determines if the malfunction is present.
Verifies that the DTC sets under normal operating systems.

Fig 1: DTC U2153 Diagnosis Procedure (Steps 1 To 4)
Courtesy of GENERAL MOTORS CORP.

Fig 2: DTC U2153 Diagnosis Procedure (Steps 5 To 9)
Courtesy of GENERAL MOTORS CORP.