3.3.16 Fault code 12.1.00 –
Fault
code
DIN brief description Cause Consequences Remedy
12 = tire pressure monitoring system (TPMS)
0, 1, 2 = fault weighting (0 = heavy, 1 = medium; 2 = light)
01... = sequential number
The sorting of the error code is based on the serial number
12.1.00
A087 tire pressure monitoring system
(TPMS)
Unknown error from TPMS
12.2.04
A087 tire pressure monitoring system
(TPMS)
Cancelation warning if running process is canceled due to
insufficient operating conditions.
3S1 pressure sensor, plausibility not connected;
Leak in line system between 3S1 pressure sensor, plausibility
and 2V1 overflow valve for isolation of tire pressure from control
pressure
Cancelation of
running process
12.2.05
A087 tire pressure monitoring system
(TPMS)
Warning after measurement of drastically deviating tire
pressures within one axle or if the tire pressure of one tire is
outside the valid range.
Tire pressure outside of valid range (between 0.5 bar and 2.6
bar)
Pressure difference between tires on one axle too high (> 0.3
bar)
Cancelation of
running process
12.1.10
A087 tire pressure monitoring system
(TPMS)
Front axle
- 3S2 pressure sensor, front axle faulty
Front axle blocked
12.1.11
A087 tire pressure monitoring system
(TPMS)
Front axle
Fault with internal-valves output driver Front axle blocked
3. Faults and remedy
Maintenance 205
530.020.020.011 Rev.A
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