P1989 Engine Trouble Code
Meaning of P1989 engine trouble code is a kind of powertrain trouble code and when your car's 'P1989 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.
P1989 Fault Symptoms :
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If one of these reasons for P1989 code is occuring now you should check P1989 repair processes.
Now don't ask yourself; What should you do with P1989 code ? The solution is here : |
P1989 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. |
P1989 Code Meaning :
P | 1 | 9 | 8 | 9 |
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OBD-II Diagnostic Powertrain (P) 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.
P1989 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP1989 engine trouble code is about Reverse Input Circuit.Main reason For P1989 CodeThe reason of P1989 OBD-II Engine Trouble Code is Injector Circuit Malfunction - Cylinders. |
P1989 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.