B2964
DTC B2964CIRCUIT DESCRIPTION
The body control module (BCM) uses a key in ignition input in order to control certain features in the vehicle. These features are in the following systems:
- Content Theft Deterrent (if equipped)
- Audible Warnings
- Automatic Door Locks
The key in ignition input circuit is grounded when you fully insert the ignition key into the ignition switch. This in turn pulls the BCM key in ignition input low.
CONDITIONS FOR RUNNING THE DTC
The ignition is ON.
CONDITIONS FOR SETTING THE DTC
- The ignition 0 input is active and the key in ignition input is inactive and the signal circuit is high.
- The conditions above must be present for more than 0.3 seconds.
ACTION TAKEN WHEN THE DTC SETS
The BCM stores DTC B2964 in memory.
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.
TEST
