Conditions for Clearing the DTC
- The DTC becomes history when the fault is no longer present.
- A history DTC clears after 100 consecutive ignition cycles when the condition for the malfunction is no longer present.
- The BCM receives the clear code command from the scan tool.
DTC B2964
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Audible Warnings Schematics | |||
| 1 | Did you perform the Audible Warnings Diagnostic System Check? | Go to Step 2 | Go to Diagnostic System Check - Audible Warnings |
| 2 |
|
Go to Step 3 | Go to Step 5 |
| 3 |
|
Go to Step 4 | Go to Step 8 |
| 4 | Test the ignition 0 voltage circuit for a short to voltage. Refer to Circuit Testing
and to Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 11 | Go to Step 7 |
| 5 | Test the key in ignition switch signal circuit for an open, a high resistance, or a short to voltage. Refer to Circuit Testing
and to Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 11 | Go to Step 6 |
| 6 | Test the ground circuit of the ignition key alarm switch for an open or a high resistance. Refer to Circuit Testing
and to Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 11 | Go to Step 7 |
| 7 | Inspect for poor connections at the harness connector of the ignition switch. 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 11 | Go to Step 9 |
| 8 | Inspect for poor connections at the harness connector of the BCM. 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 11 | Go to Step 10 |
| 9 | Replace the ignition switch. Refer to Ignition Switch Replacement . Did you complete the replacement? |
Go to Step 11 | - |
| 10 |
IMPORTANT:
Program the replacement BCM. Replace the BCM. Refer to Body Control Module Replacement
in Body Control Systems.Did you complete the replacement? |
Go to Step 11 | - |
| 11 |
|
Go to Step 2 | System OK |