P0B42 OBD Error Code: Problem & Solutions
OBD Code P0B42 - Hybrid Battery Voltage Sense "B" Circuit Low
This
code is a generic trouble code, meaning it applies to all vehicles equipped
with the OBD-II system, especially those made from 1996 up to present. It’s
also more common among Audi, Citroen, Chevrolet, Ford, Hyundai, Nissan,
Peugeot, and Volkswagen vehicles. Specifications on the definition,
troubleshooting, and repairs, of course, vary from one make and model,
powertrain configuration type, to another.
Learn More About OBD Error Code P0B42
The PCM continuously monitors the signals out of the battery current sensor and stores a specific error if the voltage signals if out of its specifications. Thus, if the Hybrid Battery Voltage “B” Circuit Low is unstable, the PCM will store OBD code P0B42 in the system.
What causes this problem with the Hybrid Battery Voltage Sense "B" Circuit Low?
- Faulty Hybrid Battery “B” Voltage
- Malfunctioning wiring and connectors to the battery
- There can be inoperative car battery
- PCM/ECM might be flawed
Replace/Repair These Parts To Fix Code P0B42
- Powertrain Control Module - A faulty
Powertrain Control Module can be troublesome. You can always rely on us as we
have best auto parts for our customers.
- Car Battery - If everything is alright with PCM, then there is surely
some defect in Car Battery. Get it replaced before the situation gets worse.
- Hybrid Battery - P0B42 code can display due to some issues in the Hybrid
Battery. So it is very important to replace the Hybrid Battery with us at
equitable prices.
- Battery Current Sensor - Do you remember when was the last time you got your car Battery Current Sensor checked up? A dirty Battery Current Sensor can cause a lot of issues
like displaying P0B42 code.
- Battery Coolant Pump - There can be some issues with the Battery Coolant Pump due to which you may see
P0B42 code appearing over and over again. Visit us to buy best quality Battery Coolant Pump online.
- Electronic Control Unit - Check for the faults in the ECU if all other components are
working properly. Buy new ECU now and replace the faulty one immediately.
- Diagnostic Tool -
In order to be that DIY guy, you need few diagnostic tools to get your car
problems pointed out easily. Our diagnostic tools collection will come handy to
do so, so why not have a look?
- Starter Motor - Faulty starter motor will lead to engine misfires and
stalling. Replace the old starter motor now!
- Car Battery & Cables -
Check for damaged and affected car battery and cables and replace as needed to
resolve this OBD code error.
Symptoms Of The OBD Error Code P0B42
Interested in knowing the symptoms to OBD code P0B42? If yes, then you have arrived at the right place. We at Parts Avatar have listed out few common symptoms associated with this fuel injector problem.
Common Symptoms
- Check Engine Light On
- Electrical components not working properly
- Improper acceleration
- Braking issues
- Increased fuel consumption
How To Correct Hybrid Battery Voltage Sense "B" Circuit Low
Wish to correct this error code with your vehicle? Do you know what all you should do to make your car free from this code? Well, don’t worry! We are here to guide you.
- Hybrid battery replacement
- Hybrid battery cut off switch circuit repair
- Hybrid battery cut off switch replacement
- Hybrid battery cut off switch harness restoration
- Recondition the non-functioning car battery
- Battery current sensor replacement
Apart from the fuel injector, you might need to undergo few more replacements. You might need Electric Vehicle Battery, HV Battery, Auxiliary Battery, Powertrain Control Module, Diesel Fuel Injector, Exhaust System, Engine Control Module and many other parts. Where to get them from? Well, if you want quality parts, then we can prove to be your dream destination.
Easy Diagnosis Of Engine Error OBD Code P0B42
Here are some steps which you should follow in order to diagnose this fault code:
- Use of an OBD-II scanner in order to verify that the code is present, and check for other codes for any other type of error or problem that might need attention.
- The current data along with freeze frame data are recorded, and the codes are then cleared to see if they reoccur.
- The vehicle is inspected for any problems with the wiring and connectors to check for loose connections, corrosion, or shorts.
- The tests related to the hybrid battery and components may help pinpoint the problem, as well as inspection of the current sensor and cut off switch will further helping the cause.
- The P0B42 error is triggered if there is a physical problem with the battery which could cause the engine performance to go off.
Common Mistakes When Diagnosing the P0B42 Code
Though the hybrid battery itself is generally the cause of P0B42, using the proper tools and following the complete diagnostic procedure without skipping any steps is required as to avoid unneeded repairs. Monitoring the sensor data from the scan tool live data stream is the only way to check for proper operation, and the sensor should not be replaced until it is tested. P0B42 has easily managed symptoms but like any other code, it should be repaired at the earliest convenience. In rare cases where the vehicle runs poorly and the fuel economy goes down, caution is advised when driving to avoid any issues.