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B1399 Engine Trouble Code

Meaning of B1399 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.

B1399 Fault Symptoms :

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

If one of these reasons for B1399 code is occuring now you should check B1399 repair processes.
Now don't ask yourself; What should you do with B1399 code ?
The solution is here :

B1399 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.

B1399 Code Meaning :

B	1	3	9	9
OBD-II Diagnostic Body (B) Trouble Code For Engine	Fuel And Air Metering	Throttle/Pedal Position Sensor/Switch A Circuit Intermittent	Crankshaft Position Sensor A Circuit Malfunction	Reverse Input Circuit

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.

B1399 OBD-II Diagnostic Body (B) Trouble Code Description

B1399 engine trouble code is about Reverse Input Circuit.

Main reason For B1399 Code

The reason of B1399 OBD-II Engine Trouble Code is Throttle/Pedal Position Sensor/Switch A Circuit Intermittent.

B1399 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