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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 586 (Air Bag System) >> Diagnostic Tests >> Test V: Front Crash Sensor, Right Side Crash Sensor Or Left Side Crash Sensor Id Mismatch >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2004 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

Crash sensor ID mismatch can be caused by having improper sensor installed.

  1. Inspect each sensor for installation position

    Access all crash sensors and inspect for proper sensor installation. If appropriate sensors are installed, go to next step. If appropriate sensors are not installed, replace sensor(s) as necessary.

  2. Inspect SAS control module

    Turn ignition switch to LOCK position. Disable air bag system. See DISABLING SYSTEM  under DISABLING & ACTIVATING AIR BAG SYSTEM. Connect negative battery cable. Retrieve Diagnostic Trouble Codes (DTCs). See RETRIEVING DIAGNOSTIC TROUBLE CODES (DTCS)  under DIAGNOSTICS. If DTCs B2856, B2886 and/or B2887 are retrieved, replace SAS control module. See SAS CONTROL MODULE  under REMOVAL & INSTALLATION.If DTCs B2856, B2886 and/or B2887 are not retrieved, test is complete.
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