This is an extremely broad question. Please be more specific.
P0601 Internal Control Module Memory Check Sum ErrorThe engine computer has failed.P0601 Internal Control Module Memory Check Sum ErrorThe engine computer has failed.
YOUR ENGINE CONTROL MODULE CAN HAVE SOME OF THE PARAMETERS RE-PROGRAMED/ADJUSTED. I would advise going to the dealership, their factory scan tool is more in-depth in doing this than a generic scan tool. But if you want to radically reprogram your engine control module you will have to go to performance center, if your car has an automatic transmission engine control module and transmission control module talk to each other and depending upon the intelligence of the components they might watch each others peraminators,if they are out of these it could cause the check engine or check transmission light to be turned on,
The Check Engine Light (CEL) lights up when the Engine Control Module (ECM) detects a problem related to emissions or performance.
You may need to replace the power control module.
If you are referring to resetting the Check Engine Light then you will need to have someone with a scanner to do it. If you are referring to reprogramming the Engine Control Module then the dealer will do it.
The check engine light is triggered by the Engine Control Module (ECM). The ECM receives information from many sensors and determines when to illuminate the check engine light.
Powertrain Control Module +B Voltage Low
This alerts the driver that the powertrain control module has detected a system fault that should be investigated.
The timing on a 1987 Chevy Celebrity is controlled by the engine control module, there is no provision for adjustment.
check ecm engine controle module icm ignition control module or crank angle censor if is a dhoc distributer if shoc>>>>JAC
Check the vacuum hose that feeds into the cruise module in the engine.
you cant, but the dealer can.