5.4.3.1 OBD errors
If the OBD relearn procedure fails, check the following:
• If the"Check connection / Switch on ignition" message appears:
o ensure that the ignition is ON in position I (radio and infotainment systems turns
on), motor OFF.
o check that the OBD cable is correctly connected to the vehicle,
o check that the OBD icon displays on the tool screen, upper left hand corner.
o If the three points above are correct:
▪ check that you have the latest software version for your TPMS tool,
▪ check the battery voltage, the vehicle's battery must be sufficiently
charged to reprogram the TPMS ECU,
▪ check that the diagnosed vehicle does not propose an alternative relearn
mode (auto or manual).
5.4.4 Special case of vehicles fitted with indirect TPMS sensors
Some vehicles are fitted with an indirect TPMS system. These vehicles have no TPMS
sensor, they use another system to check tire pressures. The Read TPMS and relearn
procedures cannot be used on these vehicles.
Even though there are no TPMS sensors, vehicles fitted with an indirect TPMS system may
require a relearn. These procedures can also be found in the tool.
5.5 Spare parts look-up
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