What does p0753 mean on a Chevy truck?
When you find shift solenoid trouble codes like P0753, P0758 and P0785 this becomes an indication of failed ignition switch. On these older Chevrolet trucks you might also set a torque converter clutch solenoid code like P0740 and P1860 that stands for a torque converter clutch solenoid electrical failure.
What is the shifting solenoid on a Chevy S10?
The shifting solenoid on a Chevrolet S-10 pick-up is designed to regulate when the transmission shifts. This solenoid is part of the electronic transmission control system, and is controlled by the powertrain control module, or PCM. The PCM actuates the shifting solenoid when it determines that an upshift or downshift is required.
Is there a problem with the ignition switch on a Chevy truck?
The Chevrolet truck ignition switch problem on the older vehicles carries a unique set of symptoms. Drivers of these trucks and sport utility vehicles sometimes complain about how the key operates. The spring-loaded return function of the ignition key is built into the switch itself.
What’s the trouble code on a Chevy Tahoe?
When these intermittent malfunctions occur, you almost always set a trouble code P1682. On GM vehicles this manufacturer specific trouble code represents a failure of the ignition switch. Chevrolet redesigned the ignition switch for the 2002 model year Chevy Silverado, Suburban and Tahoe sport-utility trucks.
What does the p0440 code on a GMC mean?
P0440 GMC Tech Notes The P0440 code means that the control module has detected a leak in the Evaporative Emission (EVAP). Loose fuel tank filler cap is the most common cause that triggers the P0440 code. What does this mean? Cost of diagnosing the P0440 GMC code Labor: 1.0 The cost of diagnosing the P0440 GMC code is 1.0 hour of labor.
What causes check engine light and trouble code p1860?
GM has issued a technical service bulletin 01-07-30-002C for the vehicles listed below. GM has advised that the most likely cause for a check engine light and trouble codes P0740, P0753, P0758, P0785, and P1860 may be a faulty ignition switch that causes an open circuit to the transmission.
What are the symptoms of a GM car battery problem?
Other symptoms include a Check Engine light on, transmission stuck in third gear, and an instrument cluster that doesn’t work. GM advises that you start your diagnostics by turning the key to the RUN position and checking for battery voltage at the following fuses: If you don’t get battery voltage, replace the ignition switch.
What causes a PCM purge solenoid to go off?
The PCM commands the EVAP Purge Solenoid OFF once the system has reached a predetermined level of vacuum. This test verifies if a vacuum can be achieved in the EVAP system. Failure to develop a vacuum may be caused by a large leak or a restriction.