P0C4C OBD Error Code: Problem & Solutions

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If you experience exponential drop in the acceleration and power from the hybrid motor, and your car engine is stalling with improper throttle response and Check Engine Light turned on. It might be an indicative to OBD Code P0C4C error leading to hybrid battery coolant pump supply voltage circuit low issue.

If the PCM detects that the hybrid battery pack coolant pump supply voltage is low. OBD code P0C4C gets stored in the system with Check engine light getting on. Thus it is important to understand that the battery needs to be under optimal temperature conditions to work properly and the coolant pump must function to its full capacity to attain this.

What causes this problem with the Hybrid Battery Pack Coolant Pump Supply Voltage Circuit Low?

• Fault in the hybrid battery coolant pump
• Damaged wires and connectors of the sensor
• Faulty battery coolant pump circuit
• Problem in the PCM to interpret the transmitted sensor data

1. Engine Control Module - Faulty ECM leads to engine stalling or not starting, and check engine lights being on. Replace damaged ECM now!
2. Intercoolers - A damaged inter-cooler will not reduce the air temperature and thereby not increasing the density of the air supplied to the engine. Visit us to buy quality inter-cooler today!
3. Diagnostic Tool - You will need high grade diagnostic tools for correction of the OBD error code which is detected. Visit us today to grab amazing deals.
4. Coolant Hoses/Pipes - Replace faulty hoses or pipes and solve P0C4C code this instance. Buy from us now!
5. Coolant/Antifreeze - There also be the case where the coolant levels have dropped. Keep the fluids level up and buy new coolants now!
6. Cooling System - Check for faulty parts and replace them if found not working properly. Replace now!
7. Battery Coolant Pump - Inspect the coolant pump for any physical damages and replace or repair it as required. Buy new battery coolant pump from us today!

Interested in knowing the symptoms to old code P0C4C? If yes, then you have arrived at the right place. We at Parts Avatar have listed out few common symptoms associated with Hybrid Battery Pack Coolant Pump Supply Voltage Circuit Low

Common Symptoms

• Illumination of Check Engine Light
• Impacted motor/engine performance due to poor air/fuel ratio and temperature difference
• Affected acceleration and throttle response
• Vehicle running in "limp" mode to protect the engine

Have a look at some ways with which you can correct the P0C4C code:

• Coolant pump Replacement
• Bad wiring to the circuit and pump repair or replace
• PCM (Powertrain Control Module) replacement

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P0C4C is properly diagnosed with an advanced scan tool capable of factory sensor readings (not just one from an auto parts store). A qualified technician can read the data from the advanced scan tool to determine when the problem occurred, or if it is still occurring. They may clear the code/light and test drive the vehicle while monitoring the scan tool data to see if the fault returns or is present.

Based upon the conditions of the test, possibly clearing the code, and road testing the car while monitoring the data, further diagnosis may be required. Diagnosis may require multiple tools such as:

• A technician typically begins by hooking the vehicle up to an OBD-II scanner in order to verify that the code is present, and check for other codes.
• This data along with freeze frame data is recorded, and the codes are then cleared to see if they reoccur.
• Next, there should be a visual inspection of the wiring and connectors to check for loose connections, corrosion, or shorts.
• A specialized tool may be used to test the hybrid battery coolant pump and circuit. Other tests of the CACT and camshaft components may help pinpoint the problem, as well as data transmission accuracy.
• If there is no problem found with the sensor and the circuit, then the most probable answer to the problem is a faulty PCM circuit. A PCM consists of the ECM and the transmission control module and can cause great problems with it is unable to interpret the right data from other sensors.

Common Mistakes When Diagnosing OBD Code P0C4C

Oftentimes the PCM sensor and circuit is blamed, and replaced, without checking the coolant pump and circuit as well as neglecting the damaged wiring and connectors. Because there can be several causes for this code, a complete inspection should be carried out in order to avoid repairs that may be unnecessary and more expensive.