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B1240 Engine Trouble Code

Meaning of B1240 engine trouble code is a kind of body trouble code and theoretically you can drive for a few weeks or even months with a broken MAF sensor. You will notice a decrease in gas mileage and over time the car will eventually start stalling a lot. At a shop, the replacement cost is between $240-$400 depending on the car, but that's usually the cost of parts because the labor is relatively simple.

B1240 Fault Symptoms :

Check engine light comes on
Engine stalling or misfiring
Engine performance issues
Car not starting

If one of these reasons for B1240 code is occuring now you should check B1240 repair processes.
Now don't ask yourself; What should you do with B1240 code ?
The solution is here :

B1240 Possible Solution:

Power Steering Pressure (PSP) Switch Malfunction In Key On, Engine Off Self-Test, this DTC indicates the PSP input to the PCM is high. In Key On, Engine Running Self-Test, this DTC indicates that the PSP input did not change state. Steering wheel must be turned during Key On, Engine Running Self-Test PSP switch/shorting bar damaged SIG RTN circuit open PSP circuit open or shorted to SIGRTN PCM damaged.

B1240 Code Meaning :

B	1	2	4	0
OBD-II Diagnostic Body (B) Trouble Code For Engine	Fuel And Air Metering	Manifold Absolute Pressure/Barometric Pressure Circuit High Input	Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)	Shift Solenoid E Performance or Stuck Off

The poor running symptoms are consistent with a MAP sensor malfunction. In addition, in some cases, a bad MAP sensor will not throw a code. Again, the ELD code likely represents a separate wiring issue.

B1240 OBD-II Diagnostic Body (B) Trouble Code Description

B1240 engine trouble code is about Shift Solenoid E Performance or Stuck Off.

Main reason For B1240 Code

The reason of B1240 OBD-II Engine Trouble Code is Manifold Absolute Pressure/Barometric Pressure Circuit High Input.

B1240 code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.

	Example: 0140