P0B58 OBD Error Code: Problem & Solutions

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The trouble code P0B58 can be elucidated as Hybrid Battery Voltage Sense "F" Circuit Intermittent/Erratic. The voltage of the 96 battery cell groups is monitored by the battery energy control module through the four hybrid/EV battery interface control modules. The voltage sense circuits are joined with every specific cell group, and then the sense circuits would terminate at a connector which is situated on the top surface of the battery section.

Want to learn something more about the P0B58 fault code? This trouble code is generic, which would mean that it can apply to all the vehicles which are equipped with the OBD-II or the vehicles which are made since 1996 up to the present. The specifications on the definition, the troubleshooting steps as well as repairs can always vary from one vehicle make to another. This can happen because of a lot of reasons and the mechanic should diagnose the specific cause for this code.

What causes this problem with the Hybrid Battery Voltage Sense "F" Circuit Intermittent/Erratic?

• Unusable hybrid/electric vehicle battery pack
• The hybrid/electric vehicle battery interface control module might not be functioning properly
• Defective PCM

1. Auxiliary Battery Relay - It is an important auto part which needs full care. A faulty Auxiliary Battery Relay can be a reason behind the flashing up of P0B58 code.
2. Hybrid Battery - Do you remember when was the last time you got your car Hybrid Battery checked up? A dirty Hybrid Battery can cause a lot of issues like displaying P0B58 code.
3. Engine Control Module - Poor Engine Control Module can cause a lot of difficulties, so why not get it replaced at time?
4. Car Exhaust System Parts - Are there some faults in your Car Exhaust System Parts? Don’t waste time and get them replaced or else P0B58 code can turn up.
5. Car Battery - OBD Code P0B58 can appear because of faulty Car Battery. Purchase high grade Car Battery online.
6. Exhaust Manifold - Everything is fine with Car Battery and still P0B58 code triggering? Then you must get your Exhaust Manifold checked.
7. Powertrain Control Module - There can be some issues with the Powertrain Control Module due to which you may see P0B58 code appearing over and over again. Visit us to buy best quality PCM online.

You might be thinking that how would you diagnose these problems? We at Parts Avatar Canada would help you diagnose the major symptoms easily.

Common Symptoms

• Visibility in the check engine light

The repairs which you will have to do to correct this fault code are simply straightforward; you can surely pinpoint the necessary repairs on the basis of your diagnosis. Have a look at some common fixes:

• Make sure to mend the faulty car exhaust system parts
• It is essential to restore the flawed hybrid/electric vehicle battery interface control module
• Rehabilitate the defaults in the hybrid/electric vehicle battery pack
• Carefully adjust the faults in the engine control module
• The auxiliary battery relay should be restored to working order
• Recondition the non-functioning hybrid battery

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Here are some steps which you should follow in order to diagnose this fault code:

• The mechanic or the technician will use a diagnostic scanner or code reader like DVOM to visually scan for the error codes in the vehicle.
• After performing a careful inspection, every of the stored codes and freeze frame data are retrieved as it can help down the way for further diagnosis process.
• Most often he has to inspect the solenoid itself to see if they are faulty or damaged. Additional error codes that are stored in the vehicle are also addressed.
• The mechanic performs a continuity test between the PCM and solenoid to check the resistance.
• If the solenoid or the control modules are not faulty, he will then retune the code and test drive the vehicle.
• On test driving, if the P0B58 code does not return soon, he will know that an erratic condition exits.
• But if the error returns instantaneously, he will check every components of the control module as well as the circuit like connectors, wires, harness, fuses etc for any possible fault.
• If any component is damaged, he will fix them right away.
• After performing this repair, he will inspect the transmission fluid as well as its level.
• If the level is below the manufacturer’s specification, it has to be refilled and if the fluid is murky or contaminated it needs to be replaced.
• Every time a repair work is carried out, make sure that the mechanic test drives the vehicle after every repair so that the diagnosis is successful. This can eventually help him to know as to where the error occurred.
• A sure sign of this is smoke or steam being emitted from underneath the hood. The ignition timing could be set incorrectly and will require adjustment.
• A noticeable pool of fluid underneath the car could be a sign of the cylinder head gasket failing. That can cause billowing smoke being blown from the exhaust system.
• A dirty MAF sensor might be causing the car to overcompensate in its fuel-trim adjustments. As a result, oxygen sensors are likely to report fuel mixture problems.

Common Mistakes When Diagnosing The P0B58 Code

• There can be some faults in the high voltage battery assembly
• Negligence in the high voltage battery connection
• Wiring problems