C102329 - TroubleshootingC102329-故障诊断

Fault code description故障码说明

DTC故障码(DTC)	Fault code description故障码描述	Possible cause of failure可能故障原因
C102329	PBC button stuckPBC按键卡滞	1.APB button stuck1.APB按键卡滞

Troubleshooting steps故障诊断步骤

①General inspection一般检查

1. Check whether the vehicle's P gear button is in maintenance mode.检查车辆P挡按键是否处于维修模式。 Are the test results normal?检查结果是否正常？ Yes是 Go to step 2.去步骤2。 No否 Exit maintenance mode.退出维修模式。

②Check the P button检查P挡按键

1. Check whether the P button is stuck.检查P挡按键是否卡滞。 Are the test results normal?检查结果是否正常？ Yes是 Go to step 3.去步骤3。 No否 Inspect the P gear button.检修P挡按键。

③Check the combination switch and clock spring assembly fault code检查组合开关与时钟弹簧总成故障码

1. Use a diagnostic tool to read the fault code of the combination switch and clock spring assembly, and check whether there is a fault in the combination switch and clock spring assembly.使用诊断仪读取组合开关与时钟弹簧总成故障码，检查组合开关与时钟弹簧总成是否存在故障。 Are the test results normal?检查结果是否正常？ Yes是 Go to step 4.去步骤4。 No否 Troubleshoot according to the fault code.根据故障码排除故障。

④Replacing the integrated brake control unit更换集成式制动控制单元

1. Replace with a new integrated brake control unit and check whether the fault code and symptoms are eliminated.更换新的集成式制动控制单元，检查故障码及症状是否排除。 Are the test results normal?检查结果是否正常？ Yes是 Fault resolved.故障排除。 No否 Look for causes from other symptoms.从其他症状查找原因。   Caution:注意： ♦  After replacing the integrated brake control unit, you need to use a diagnostic tool to recalibrate the integrated brake control unit.更换集成式制动控制单元后，需用诊断仪对集成式制动控制单元重新标定。 ♦  After replacing the integrated brake control unit, the brake line bleeding operation is required.更换集成式制动控制单元后，需进行制动管路排气操作。