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B1648 Engine Trouble Code

Meaning of B1648 engine trouble code is : B1648 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.

B1648 Possible Solution:

B1648 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.

B1648 Code Meaning :

B 1 6 4 8
OBD-II Diagnostic Body (B) Trouble Code For Engine Fuel And Air Metering Fuel Temperature Sensor B Circuit Range/Performance Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector) Clutch Position Sensor Circuit Malfunction

Regarding the B1648 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.

B1648 OBD-II Diagnostic Body (B) Trouble Code Description

B1648 engine trouble code is about Clutch Position Sensor Circuit Malfunction.

Reason For B1648 Code

The reason of B1648 OBD-II Engine Trouble Code is Fuel Temperature Sensor B Circuit Range/Performance.

B1648 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.