How can I tell if my GM converter is working?
If the upper switch with the vacuum hose is used, check the two wires at that switch. On the four wire lower switch, check the two wires farthest from the plunger. Check for 12 volts at both sides of the brake switch. Some GM vehicles have two electric switches on the brake pedal.
Why is my Duramax diesel engine not working?
The trucks computer keeps track of how much fuel needs to be added or subtracted from each individual cylinder to make the engine run smoothly, and this value is called the balance rate. If one cylinder is contributing too much or not as much as the rest, the cause is usually a bad injector and the cure is a replacement.
Why does my 2015 Duramax Def light not reset?
2015 Duramax DEF light won’t reset after adding fluid and speed has been reduced to 55 mph. It’s under the rpm on left 2015 Duramax DEF light won’t reset after adding fluid and…
What should I do if my GM converter lock up?
NEVER run the vehicle in gear when supported only with a jack. Chock the drive wheels and apply the parking brake. In addition, some of the tests (test #11 and 12) require the transmission be opened and the valves are physically inspected. I do not recommend that you do this.
Why does my GMC 2500 diesel go to sleep?
If the vehicle has been driven for a four to five miles (6.5 to 8.0 km), the DEF Fluid Level Percentage is 100% on the Tech 2, the ignition has been turned off (allowing the ECM to go to sleep for at least 5 minutes), and the DIC still will not update, the message may have become latched into the ECM.
When do Def warnings start on a GMC 2500?
The Engine Control Module (ECM) monitors the DEF level and consumption rate in order to calculate an estimated range in miles remaining until the DEF reservoir is empty. DEF levels are detected by the 3-position solid-state DEF level sensor. Typically, DEF warnings begin once the estimated mileage falls below 1,609 km (1,000 mi).
Is there a problem with my GMC diesel truck?
The problem is a software issue and not a parts issue. They do have a temp fix for this concern at this time and it involves a engine computer reprogram. Yes the truck will have a speed reduction if you keep driving. First it will be reduced to 55 then down to 5.
Is there a temp fix for a GMC diesel truck?
They do have a temp fix for this concern at this time and it involves a engine computer reprogram. Yes the truck will have a speed reduction if you keep driving. First it will be reduced to 55 then down to 5. Here is some information on the issue.