2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 87
If any of the DTCs are set, program the serial data gateway module. If any of the DTCs reset, replace the serial data gateway module.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
Control Module References (See: Testing and Inspection/Programming and Relearning) for serial data gateway module replacement, setup, and
programming
B009F
DTC B009F
Diagnostic Instructions
* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System
Check - Vehicle) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an
overview of the diagnostic approach.
* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure
Instructions) provides an overview of each diagnostic category.
DTC Descriptors
DTC B009F 00
- High Voltage Crash Impact Detection Sensor 1 No Additional Information
DTC B009F 11
- High Voltage Crash Impact Detection Sensor 1 Above Maximum Threshold
DTC B009F 12
- High Voltage Crash Impact Detection Sensor 1 Below Minimum Threshold
DTC B009F 39
- High Voltage Crash Impact Detection Sensor 1 Internal Electronic Failure
DTC B009F 3A
- High Voltage Crash Impact Detection Sensor 1 Incorrect Component Installed
DTC B009F 4A
- High Voltage Crash Impact Detection Sensor 1 Checksum Error
DTC B009F 73
- High Voltage Crash Impact Detection Sensor 1 Parity Error
Diagnostic Fault Information
Typical Scan Tool Data
Circuit/System Description
The high voltage circuit impact detector sensor utilizes a unidirectional 2-wire circuit. The high voltage circuit impact detector sensor modulates
current on the circuit interface to send ID, state of health, and collision status to the serial data gateway module. The serial data gateway module
