Test Description
WARNING: This page is about a different car, the 2004 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.
- 1: Determines if the malfunction is present.
- 2: Verifies that the DTC sets under normal operating systems.
DTC U2153
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Navigation System Schematics Connector End View Reference: Navigation System Connector End Views |
|||
| 1 | Did you perform the Diagnostic System Check - Navigation System? | Go to Step 2 | Go to Diagnostic System Check - Navigation System |
| 2 |
|
Go to Step 3 | Go to Diagnostic System Check - Navigation System |
| 3 | Test the VICS (+) circuit for the following:
Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? |
Go to Step 9 | Go to Step 4 |
| 4 | Test the VICS (-) circuit for the following:
Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? |
Go to Step 9 | Go to Step 5 |
| 5 | Inspect for poor connections at the harness connectors of the VICS Module Assembly. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 9 | Go to Step 6 |
| 6 | Inspect for poor connections at the harness connectors of the navigation radio. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 9 | Go to Step 7 |
| 7 | Replace the VICS Module Assembly. Refer to the VICS dealer installation instructions. Did you find and correct the condition? |
Go to Step 9 | Go to Step 8 |
| 8 | Replace the navigation radio. Refer to Radio Replacement
in Entertainment. Did you complete the repair? |
Go to Step 9 | - |
| 9 |
|
Go to Step 2 | System OK |