这个码是什么意思？
以下表述对应所列厂商与通报。使用前请核对完整报码、报码模块、年款和发动机。
故障码描述检测到的异常，不直接指定必须更换的零件。
厂商原文中的含义
原文含义可能随车型和后缀变化。此处按来源展示，不代表通用诊断结论。
P0412Secondary Air Injection System Switching Valve "A" Circuit •厂商技术资料
6以下为英文原文
TOYOTA
原文报码 P0412
Some 2005 ? 2009 model year 4Runner, 2006 ? 2007 model year Land Cruiser, 2005 ? 2007 model year Sequoia, and 2005 ? 2006 model year Tundra vehicles equipped with the 2UZ-FE (4.7 L) engine may exhibit a MIL ?ON?…
TOYOTA
原文报码 P0412
Some 2005 - 2009 model year 4Runner, 2006 - 2007 model year Land Cruiser, 2005 - 2007 model year Sequoia, and 2005 - 2006 model year Tundra vehicles equipped with the 2UZ-FE (4.7 L) engine may exhibit a MIL "ON"…
TOYOTA
原文报码 P0412
MIL ON CONDITION WITH DIAGNOSTIC TROUBLE CODES (DTC'S) P0412, P0415, P0418, P0419, P2445, OR P2447. THIS CONCERN MAY BE CAUSED BY THE AIR INJECTION CONTROL DRIVER. *NJ
CADILLAC, PONTIAC
原文报码 P0412
ENGINE CRANKS BUT DOES NOT START, NO INJECTOR PULSES, DIAGNOSTIC TROUBLE CODE CODES P0118, P0122, P0335, P0385, P0412, AND/OR P0340 SET. *TT
PONTIAC
原文报码 P0412
ENGINE CRANK, NO START, POSSIBLE DIAGNOSTIC TROUBLE CODE (DTC) P0412. *TT
BUICK, CADILLAC, CHEVROLET
原文报码 P0412
WATER IN AIR PUMP AND/OR DTC P0410, P0412, P1415, P1416, P0100, P0101, P0102 AND DTC 48 (INSTALL AIR PUMP SERVICE KIT). *TW
核对适用车辆
30车型关联可作为查阅线索；具体发动机、生产范围和软件条件请核对厂商资料。
| 品牌 | 车型 | 年款 |
|---|---|---|
| Buick | ROADMASTER | 1996 |
| Buick | ROADMASTER | 1995 |
| Buick | ROADMASTER | 1994 |
| Cadillac | DEVILLE | 2005 |
| Cadillac | DEVILLE | 2004 |
| Cadillac | FLEETWOOD | 1996 |
| Cadillac | FLEETWOOD | 1995 |
| Cadillac | FLEETWOOD | 1994 |
| Cadillac | SEVILLE | 2004 |
| Chevrolet | CAPRICE | 1996 |
| Chevrolet | CAPRICE | 1995 |
| Chevrolet | CAPRICE | 1994 |
更换零件之前
记录报码及冻结帧，检查蓄电池状态、相关报码和可见的线束或软管损伤。按照该车诊断流程和测试结果决定维修，避免仅凭故障码换件。
还能继续驾驶吗？
仅靠故障码无法判断是否适合继续行驶。故障灯闪烁、严重抖动、过热、机油压力报警或制动转向异常都需及时处理。影响车辆控制或发动机安全时，应在安全地点停车并寻求帮助。以车辆手册为准。