2008 Grand Caravan winter wheels & TPMS problems.
Nope. The owners manual does not mention the TPM sensors in the rotation procedure. I read the thing from cover to cover. It mentions nothing about retraining the sensors. There is no magnet included with the vehicle jack.
There are several pages devoted to the TPM System (there are a couple different kinds on the '08 model year), with the summary being:
If you get a fault, adjust the cold tire pressures to that which is specified (36 psi), and the system will automatically update and the TPMS warning light will extinguish once the updated tire pressures have been received. The vehicle may need to be driven for up to 10 minutes above 25 km/hr to receive this information.
It says "the system has been optimized for original equipment tires & wheels, and that the TPMS pressures have been established for the tire size equipped, and that undesirable system operation or sensor damage may result when using replacement equipment that is not of the same size, type, and/or style. Aftermarket wheels can cause sensor damage. Do not use aftermarket sealants or balance beads as damage to the sensors may result." - I sure hope this isn't the case. I figured this was one of those general disclaimers they have to give, and unless doing something bizarre in the way of wheel/ tire size then there was likely no basis for it.
I'm obviously not really up to speed on exactly how these sensors work, but I'd be very surprised if the sensor sends out a different signal in conjunction with a 235/60 R16 tire at 36 psi than with a 225/65 R16 tire at 36 psi when installed on the same wheel.
I guess we'll see what the dealer says in a few days time. Can't wait.
I was willing to go without the sensors installed and to put up with the warning light in the first place. I better not have to see that warning light after spending $350 on the sensors insisted upon by the tire shops.