B1989 Engine Trouble Code
Meaning of B1989 engine trouble code is : When your car's 'B1989 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.
B1989 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.
B1989 Code Meaning :
|OBD-II Diagnostic Body (B) Trouble Code For Engine||Fuel And Air Metering||Injector Circuit Malfunction - Cylinders||Ignition/Distributor Engine Speed Input Circuit Malfunction||Reverse Input Circuit|
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.
B1989 OBD-II Diagnostic Body (B) Trouble Code DescriptionB1989 engine trouble code is about Reverse Input Circuit.
Reason For B1989 CodeThe reason of B1989 OBD-II Engine Trouble Code is Injector Circuit Malfunction - Cylinders.
B1989 DTC specifically refers to the camshaft (cam) timing. In this case, if the cam timing is over-retarded, the engine light will be illluminated and the code will be set.