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B1771 Engine Trouble Code

Meaning of B1771 engine trouble code is : When your car's 'B1771 Check Engine' light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap. But in many cases, it means at minimum that you'll be visiting the car dealer to locate the malfunction and get the light turned off.

B1771 Possible Solution:

B1771 Engine

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.

B1771 Code Meaning :

B 1 7 7 1
OBD-II Diagnostic Body (B) Trouble Code For Engine Fuel And Air Metering Fuel Rail Pressure Sensor Circuit Malfunction Cylinder 10 Contribution/balance Fault Crankshaft Position Sensor A Circuit Low Input

Is the fuel pump sometimes not priming when you turn the key to ON(II)? Start by measuring the fuel pressure and checking whether you have bright white-bluish spark at all four plugs. The mechanical timing is also something that you should check, as we mentioned above.

B1771 OBD-II Diagnostic Body (B) Trouble Code Description

B1771 engine trouble code is about Crankshaft Position Sensor A Circuit Low Input.

Reason For B1771 Code

The reason of B1771 OBD-II Engine Trouble Code is Fuel Rail Pressure Sensor Circuit Malfunction.

B1771 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.