Conditions for Clearing the DTC
WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
- The DTC becomes history when the DIC no longer detects a failure.
- The history DTC clears after 100 fault-free ignition cycles.
- The IPC receives the clear code command from the scan tool.
DTC B0160 or B0161
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Instrument Cluster Schematics or Driver Information System Schematics | |||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
| 2 | Turn the ignition ON, with the engine OFF. Does the driver information center (DIC) display SC or OC? |
Go to Step 3 | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems |
| 3 |
|
Go to Step 4 | Go to Step 7 |
| 4 |
|
Go to Step 6 | Go to Step 5 |
| 5 | Test the signal circuit of the ambient air temperature sensor for an open, for a short to voltage or for a high resistance. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 12 | Go to Step 8 |
| 6 | Test the ground circuit of the ambient air temperature sensor for an open or for a high resistance. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 12 | Go to Step 9 |
| 7 | Test the signal circuit of the ambient air temperature sensor for a short to ground. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 12 | Go to Step 8 |
| 8 | Inspect for poor connections at the harness connector of the instrument panel cluster (IPC). 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 12 | Go to Step 10 |
| 9 | Inspect for poor connections at the harness connector of the ambient air temperature sensor. Refer to Testing for Intermittent Conditions and Poor Connections
and to Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 12 | Go to Step 11 |
| 10 | Replace the IPC. Refer to Control Module References
in Computer/Integrating Systems for replacement, setup and programming. Did you complete the replacement? |
Go to Step 12 | - |
| 11 | Replace the ambient air temperature sensor. Refer to Ambient Air Temperature Gage Sensor Replacement . Did you complete the replacement? |
Go to Step 12 | - |
| 12 |
|
Go to Step 2 | System OK |