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 condition must be corrected.
- The DTC clears after 100 malfunction free ignition cycles.
DTC B1259
| Step | Action | Values | Yes | No |
|---|---|---|---|---|
| Schematic Reference: Radio/Audio System Schematics | ||||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | - | Go to Step 2 | Go to Diagnostic System Check - Vehicle |
| 2 | With a scan tool, observe the digital radio antenna in the digital radio receiver data list. Does the scan tool indicate that the digital radio antenna is within the specified range? |
17-63 mA | Go to Step 6 | Go to Step 3 |
| 3 |
|
4.5-5.5 V | Go to Step 4 | Go to Step 6 |
| 4 | Test the antenna cable for an open or a high resistance. Refer to Circuit Testing
. Did you find the condition? |
- | Go to Step 5 | Go to Step 8 |
| 5 | Replace the antenna cable. Refer to Coaxial Cable Replacement - Digital Radio . Did you complete the replacement? |
- | Go to Step 10 | - |
| 6 | Inspect for poor connections at the digital radio receiver. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
. Did you find and correct the condition? |
- | Go to Step 10 | Go to Step 7 |
| 7 | Replace the digital radio receiver. Refer to Control Module References
for replacement, setup and programming. Did you complete the replacement? |
- | Go to Step 10 | - |
| 8 | Inspect for poor connections at the digital radio antenna. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
. Did you find and correct the condition? |
- | Go to Step 10 | Go to Step 9 |
| 9 | Replace the digital radio antenna. Refer to Antenna Replacement - Digital Radio . Did you complete the replacement? |
- | Go to Step 10 | - |
| 10 |
|
- | Go to Step 2 | System OK |