FixVault

Home › Dodge and Ram › 2018 › ProMaster 1500 › Repair and Diagnosis › Engine Performance › System › 3.6L - DTCS P2173 To U1412 › DTC Troubleshooting › U0300-Internal Control Module Software Incompatibility › Default Action

Default Action

MIL is illuminated on the second consecutive trip that the diagnostic fails.
The MIL will be turned off on the third consecutive trip that the diagnostic passes.