Logo

B1589 Engine Trouble Code

Meaning of B1589 engine trouble code is : B1589 code can be about replacing a broken oxygen sensor can eventually lead to a busted catalytic convertor which can cost upwards of $2,000. Taking your car into a shop will cost you around $200 depending on the car. However, an oxygen sensor is easy to replace on many cars and is usually detailed in the owner's manual. If you know where the sensor is, you only have to unclip the old sensor and replace it with a new one. Regardless of how you approach it, you should get this fixed right away.

B1589 Possible Solution:

B1589 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.

B1589 Code Meaning :

B 1 5 8 9
OBD-II Diagnostic Body (B) Trouble Code For Engine Fuel And Air Metering Fuel Composition Sensor Circuit Malfunction Ignition/Distributor Engine Speed Input Circuit Malfunction Reverse Input Circuit

Regarding the B1589 code, it would probably be worthwhile to carefully inspect the wire harness near the intake manifold bracket. This is done most easily from below the car in the area near the oil filter.

B1589 OBD-II Diagnostic Body (B) Trouble Code Description

B1589 engine trouble code is about Reverse Input Circuit.

Reason For B1589 Code

The reason of B1589 OBD-II Engine Trouble Code is Fuel Composition Sensor Circuit Malfunction.

B1589 DTC reports a sensor fault, replacement of the sensor is unlikely to resolve the underlying problem. The fault is most likely to be caused by the systems that the sensor is monitoring, but might even be caused by the wiring to the sensor itself.