Warning: Refer to Sensing and Diagnostic Module Handling Warning in the Preface section.
Warning: Refer to SIR Warning in the Preface section.
Note: If the vehicle interior has been exposed to extensive water intrusion such as water leaks, driving through high water, flooding, or other causes, then the sensing and diagnostic module (SDM) and SDM connector may need to be replaced. With the ignition OFF, inspect the area of SDM, including the carpet. If any significant soaking or evidence of previous soaking is detected, the water must be removed, the water damage repaired, and the SDM and SDM connector must be replaced. Before attempting any of these repairs, the SIR must be disabled. Refer to SIR Disabling and Enabling.
Warning: Refer to SIR Special Tool Warning in the Preface section.
Warning: Be careful when you handle a sensing and diagnostic module (SDM). Do not strike or jolt the SDM. Before applying power to the SDM:
• Remove any dirt, grease, etc. from the mounting surface • Position the SDM horizontally on the mounting surface • Point the arrow on the SDM toward the front of the vehicle • Tighten all of the SDM fasteners and SDM bracket fasteners to the specified torque value
Caution: Refer to Fastener Caution in the Preface section.