replace the ecm
you can't fix an ecm, you have to replace it.
P1694 - No CCD message received from ECM. This is a bus communication failure between the PCM and ECMP1694 - No CCD message received from ECM. This is a bus communication failure between the PCM and ECM
ignition module failure or ecm failure.
If a quad driver has gone bad it is necessary to replace the ECM. After replacing the ECM, drive the car on a bumpy road and note whether the check engine light comes on. If it does, fix the problem or you end up with a repeat QDM failure. == == == == There is no such thing as a quad driver module. There are quad DRIVERS in the ecm.
the quad driver module is a component of the ECM. you must replace ECM.
it is oem and ecm on 2002 dodge caravan Internal computer failure.
Dead batteries Failed starter Out of fuel Fuel filter plugged Lift pump inoperative Injection pump failure Crank sensor failure ECM failure Wiring issue to ecm or sensors.
A failed ECM can certainly keep an engine from starting, but it probably won't be responsible for overheating.
Some possible causes for that problem: Fan relay failed. Blown fuse. Bad temp sensor. ECM failure. Other wiring issues.
Sounds like the ECM is toasted.
Switch to Linux.
matherchod