Troubleshooting › Vehicle control system › Diagnosis
P148D00-故障诊断 · T00611426

 P148D00 - TroubleshootingP148D00-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
P148D00
Anti-theft-remote-authentication failure-encryption result error防盗-远程-认证失败-加密结果错误
1. Not consistent with the remote anti-theft process1.与远程防盗流程不符合
Troubleshooting steps故障诊断步骤
①Check the keyless entry system检查无钥匙进入系统
1. Power status "OFF".电源状态“OFF”。
2. Connect the diagnostic tool.连接诊断仪。
3. Power status "ON".电源状态“ON”。
4. Use a diagnostic tool to check whether the keyless entry system is normal.用诊断仪检查无钥匙进入系统是否正常。
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 Overhaul the keyless entry system.检修无钥匙进入系统。
②Check the gateway controller检查网关控制器
1. Power status "OFF".电源状态“OFF”。
2. Connect the diagnostic tool.连接诊断仪。
3. Power status "ON".电源状态“ON”。
4. Use a diagnostic tool to check whether the gateway controller is normal.用诊断仪检查网关控制器是否正常。
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 Repair the gateway controller.检修网关控制器。
③Check T-BOX assembly检查T-BOX总成
1. Power status "OFF".电源状态“OFF”。
2. Connect the diagnostic tool.连接诊断仪。
3. Power status "ON".电源状态“ON”。
4. Use a diagnostic instrument to check whether the T-BOX assembly is normal.用诊断仪检查T-BOX总成是否正常。
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 Inspect the T-BOX assembly.检修T-BOX总成。
④Replace vehicle controller更换整车控制器
1. Replace the vehicle controller with a new one and check whether the fault code and symptoms are eliminated.更换新的整车控制器,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 vehicle controller, you need to use a diagnostic tool to recalibrate the vehicle controller.更换整车控制器后,需用诊断仪对整车控制器重新标定。