Test O: The Parking Aid Module Does Not Respond to the Scan Tool

PINPOINT TEST O: THE PARKING AID MODULE DOES NOT RESPOND TO THE SCAN TOOL

O1-O3:

O3-O4:

O5-O6:

O7-O8:

Normal Operation
The parking aid module communicates with the scan tool through the medium speed controller area network (MS-CAN). Circuits VDB06 (GY/OG) (MS-CAN +) and VDB07 (VT/OG) (MS-CAN -) provide the network connection to the parking aid module. The parking aid module shares the MS-CAN network with the instrument cluster, the smart junction box (SJB), the electronic automatic temperature control (EATC) module (if equipped), the audio unit, the digital versatile disc (DVD) player (if equipped), the satellite radio receiver (if equipped), and the power running board module (if equipped). Voltage for the parking aid module is provided by circuit CBP18 (GY/OG). Circuit GD145 (BK/BU) provides ground.

Possible Causes
- Fuse
- Circuit CBP18 (GY/OG) open
- Circuit GD145 (BK/BU) open
- Circuit VDB06 (GY/OG) open (MS-CAN +)
- Circuit VDB07 (VT/OG) open (MS-CAN -)
- Parking aid module