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PM_a120 — Indirect T PMS Faulted

Full alert identifier: PM_a120_indirectTPMSFaulted

Message shown in the car

Tire pressure monitoring system fault Pressure monitoring system fault may clear next drive

Alert description

The Indirect Tire Pressure Monitoring System (ITPMS) is not operating as expected and cannot detect pressure losses

Potential impact

The TPMS indicator light will be present. The vehicle will be unable to detect a flat tire or tire pressure leak

Set condition

ITPMS is unable to receive its requried inputs signals

Clear condition

ITPMS recovers required input signals which are currently unavailable

Signals to check

These diagnostic fields are associated with PM_a120. Check the alert's Payload in Service Mode Plus for available values.

Signal Unit
Di MIA PM_a120_diMIA —
Di Units MIA PM_a120_diUnitsMIA —
Gnss Epoch MIA PM_a120_gnssEpochMIA —
Gtw MIA PM_a120_gtwMIA —
Rcm MIA PM_a120_rcmMIA —
Steering MIA PM_a120_steeringMIA —
Vc MIA PM_a120_vcMIA —
Wss MIA PM_a120_wssMIA —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of PM_a120.

Browse all PM alert codes