Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)RESTRAINTSAIR BAG, SRSAIR BAG RESTRAINT SYSTEMSDIAGNOSTIC TESTSDTC 48/B0116: OPEN IN LEFT SIDE AIR BAG MODULE SQUIB CIRCUITPOSSIBLE CAUSES
2004 Toyota Matrix XR, FWD, Standard
Possible Causes
2004 Toyota Matrix XR, FWD, StandardSECTION Possible Causes
Diagnostic Trouble Code (DTC) 48/B0116 could be caused by a open in Yellow/Red (circuit SFL+) and Yellow/Green (circuit SFL-) wires in side air bag squib circuit, side air bag squib malfunction or air bag sensor assembly malfunction.
NOTE:
During testing, if DTCs other than DTC 48/B0116 are displayed, disregard them.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.