Small signs are pointing to a new war for access to vehicle diagnostics.
Toyota TPMS might seem like the easiest system to service because most models have a reset button under the dash, but trusting in this button to cure all your TPMS issues might get you in trouble.
A moral dilemma that many shops encounter on a regular basis: A good customer comes in with the engine light ablaze. Running the usual diagnostics, you encounter a catalytic converter efficiency code, a slow to respond oxygen sensor or some proprietary fuel trim code. Other than the light, the customer has not noticed any other