🚨 Root Cause & Troubleshooting Guide
Toyota TPMS Light Flashing Then Solid: Diagnostic & Reset Steps
Identified Root Cause:
Ambient temperature drop below 10°C, underinflated tire (-3 to -5 PSI), or depleted TPMS sensor coin battery.
Ambient temperature drop below 10°C, underinflated tire (-3 to -5 PSI), or depleted TPMS sensor coin battery.
Step-by-Step Diagnostic & Resolution:
1
Inspect all 4 tires (and spare tire if equipped) with an accurate digital pressure gauge when cold.
2
Inflate tires to placard pressure found on driver’s B-pillar door jamb label (typically 32–35 PSI).
3
Turn ignition ON (Engine OFF). Press and hold TPMS Reset Button below steering wheel until light blinks 3 times.
4
Drive vehicle above 20 mph (32 km/h) for 15–30 minutes to complete sensor ID relearn sequence.
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