DTC P023A-12: Charge Air Cooler Coolant Pump Control Circuit Short to Battery [11/2021 - ]: Description
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The intercooler cooling system is a water cooling system that is independent from the engine cooling system. It uses a dedicated radiator and electric water pump assembly to cool the intercooler and turbocharger. The electric water pump assembly uses the duty cycle signals sent from the ECM to provide stepless, optimal control of the electric water pump assembly speed.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Note |
|---|---|---|---|---|---|
| P023A-12 | Charge Air Cooler Coolant Pump Control Circuit Short to Battery | The operation duty ratio signal (IWPO) of the electric water pump assembly is a certain value or more when the electric water pump assembly operation signal is being output (1 trip detection logic). |
|
Does not come on | SAE Code: P023C |
RELATED DATA LIST
| DTC No. | Data List |
|---|---|
| P023A-12 |
|