Circuit/System Verification
WARNING: This page is about a different car, the 2011 GMC Yukon, 2011 Chevrolet Tahoe, and 2011 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
- Verify that DTC B009F 00, B009F 4A, or B009F 73 is not set.
- If the DTC is set, program the serial data gateway module. If the DTC resets, replace the serial data gateway module.
- Verify the serial data gateway module is programmed with the correct software calibration.
- If the correct software is not installed, program the serial data gateway module.
- Ignition ON, observe the scan tool Hybrid Crash Sensor 1 parameter. The reading should be No Crash.
- If not No Crash, refer to Circuit/System Testing.