Some of the top signs of a transmission issue would be that the car isn't switching gears or it is noisy when in neutral. Other signs would be that their is a bad smell.
your tcm (trans. control module) will store a code and the symptoms will include inop. speedometer or out of calibration.
no
Generally if the spark control module on an engine is bad, the car will run roughly. It will likely miss and die at low idle speeds.
You can determine if the control module is malfunctioning in a 1994 Caprice Classic by observing symptoms such as erratic engine performance, poor fuel efficiency, or dashboard warning lights. Additionally, issues like difficulty in starting, stalling, or problems with transmission shifting may indicate a failing control module. Diagnostic trouble codes (DTCs) retrieved from an OBD scanner can also provide insight into control module problems. If these symptoms are present, further testing or replacement of the control module may be necessary.
To determine if your 1987 Chevy van's cruise control module is bad, check for common symptoms such as the cruise control not engaging, disengaging unexpectedly, or not maintaining speed. You can also inspect the module for physical damage or corroded connections. Testing the module with a multimeter for proper voltage and continuity can further confirm its functionality. If necessary, consult a professional mechanic for a thorough diagnosis.
not shifting
It is important to know the symptoms of a bad car part. The symptoms of a bad motor or transmission mounts are loss the car part, shaking and lots of noise.
The powertrain control module and the electronic control module are two totally different modules. The ECM controls everything that has to do with the engine like fuel injectors,throttle position sensor,cam sensor ect. the powertrain control module controls just transmission related components like fluid pressure switches, TCC solenoid, transfer case switches.
Maybe the igniton control module or the ignition module are making bad contact.
The P0409 code indicates an exhaust gas recirculation (EGR) circuit malfunction. It could be a bad EGR valve, a bad EGR optical sensor, a bad powertrain control module (PCM), or a bad electronic control Module (ECM), also referred to as the engine control module.
A "powertrain control module" that has gone bad.
The air bad "control module" is located under the front dash, behind the stereo. You will likely need to reset or replace the control module if your SRS (Supplemental Restraint System) light stays on. The air bad "control module" is located under the front dash, behind the stereo. You will likely need to reset or replace the control module if your SRS (Supplemental Restraint System) light stays on. The air bad "control module" is located under the front dash, behind the stereo. You will likely need to reset or replace the control module if your SRS (Supplemental Restraint System) light stays on.