ACU 代码 – 扶手控制器单元

ACU 000237.14 （ACU 237.14 ）— VIN 安全未启用
代码由以下原因引起：车辆识别号 （VIN） 安全尚未启用。
控制单元响应：功能降级

ACU 000237.31 （ACU 237.31 ）— VIN 安全消息缺失
代码由以下原因引起：车辆识别号 （VIN） 未从其他控制单元收到。
控制单元响应：功能降级

ACU 000581.07 （ACU 581.07 ） — 传输不响应命令
代码，原因如下：PTI 不响应扶手控制单元请求。
控制单元响应：默认为中性

ACU 000628.02 （ACU 628.02 ）— ACU EOL 数据故障
代码由以下原因引起：启动时行尾内存故障。
注意：有时可以通过下载新软件来纠正行尾 （EOL） 数据故障。尝试下载此应用程序的软件。
控制单元响应：默认为中性

ACU 000629.11 （ACU 629.11 ）— ACU 控制单元故障
代码由以下原因引起：启动时检查 RAM 内存失败。
控制单元响应：无

ACU 000629.12 （ACU 629.12 ）— ACU 控制单元故障
代码由以下原因引起：扶手控制单元软件未能在规定的时间内执行。
控制单元响应：默认为中性

ACU 000630.02 （ACU 630.02 ）— ACU 校准故障/数据无效
代码由以下原因引起：扶手控制单元校准值无效或校准内存故障。
控制单元响应：功能降级

ACU 000630.13 （ACU 630.13 ）— ACU 校准错误/未校准
代码由以下原因引起：扶手控制单元从未校准或保存了错误的校准。
控制单元响应：默认为中性

ACU 000974.02 （ACU 974.02 ）— 手动油门传感器电路电压冲突
代码由以下原因引起：手动油门传感器电路 1 和 2 电压冲突。
控制单元响应：功能降级

ACU 000974.03 （ACU 974.03 ）—手动油门传感器电路电压高
代码由以下原因引起：手动油门传感器电路电压高。
控制单元响应：功能降级

ACU 000974.04 （ACU 974.04 ）— 手动油门传感器电路电压低
代码由以下原因引起：手动油门传感器电路电压低。
控制单元响应：功能降级

ACU 001079.03 （ACU 1079.03 ）— ACU 传感器电源 1 电压高
代码由以下原因引起：扶手控制单元传感器电源电压高。
控制单元响应：功能降级

ACU 001079.04 （ACU 1079.04 ）— ACU 传感器电源 1 卷tage 低
代码由以下原因引起：扶手控制单元传感器电源电压低。
控制单元响应：功能降级

ACU 001080.03 （ACU 1080.03 ）— ACU 传感器电源 2 电压高
代码由以下原因引起：扶手控制单元传感器电源电压高。
控制单元响应：功能降级

ACU 001080.04 （ACU 1080.04 ）— ACU 传感器电源 2 卷tage 低
扶手控制单元 传感器电源 2 卷tage 低。
控制单元响应：功能降级

ACU 002000.09 （ACU 2000.09 ）— ECU 消息缺失
代码由以下原因引起：扶手控制单元未从 ECU 接收所需的消息。
控制单元响应：默认为怠速并禁用节流功能。命令 PARK。

ACU 002003.09 （ACU 2003.09） — PTI 或 PTP 消息缺失
代码由以下原因引起：扶手控制单元未收到来自 PTI 或 PTP 的所需消息。
控制单元响应：命令 PARK。

ACU 002020.09 （ACU 2020.09 ） — SFA 消息缺失
代码由以下原因引起：扶手控制单元未收到来自 SFA 的所需消息。
控制单元响应：限速 （30 km/h）

ACU 002049.09 （ACU 2049.09 ）— CAB 消息缺失
代码由以下原因引起：扶手控制单元未收到来自 CAB 的所需消息。
控制单元响应：默认为中性

ACU 523664.02 — 速度带 1 和 2 开关冲突
代码由以下原因引起：速度带 1 和 2 开关读取相同的值。
注意：代码仅对配备 AutoPowr/IVT 左侧倒车选项的车辆有效。
控制单元响应：默认为中性

ACU 523923.02 — SCV I 控制杆开关/传感器冲突
代码由以下原因引起：SCV I 控制杆开关和传感器电压冲突。
控制单元响应：SCC 控制单元禁用 SCV I

ACU 523923.03 — SCV I 控制杆传感器电路电压高
代码由以下原因引起：SCV I 控制杆传感器电压高。
控制单元响应：SCC 控制单元禁用 SCV I

ACU 523923.04 — SCV I 控制杆传感器电路电压低
代码由以下原因引起：SCV I 控制杆传感器电压低于 0.2V。
控制单元响应：SCC 控制单元禁用 SCV I

ACU 523953.02 — AutoPowr/IVT 速度控制杆传感器电路冲突
代码由以下原因引起：速度控制杆传感器电压 1 和 2 冲突。
控制单元响应：默认为中性

ACU 523953.03 — AutoPowr/IVT 速度控制杆传感器电压高
代码由以下原因引起：速度控制杆传感器电压高。
控制单元响应：默认为中性

John Deere ACU fault codes / John Deere ACU diagnostic trouble codes

NOTE:This page only indicates the meaning of the fault codes. For complete troubleshooting information, see the technical manuals.

ACU 000158.04 (ACU 158.04)— ACU Switched Supply Voltage Low
Code caused by: Armrest Control Unit switched supply voltage below 9.0 V.
Control Unit Response: Function Disabled

ACU 000177.17 (ACU 177.17 )— Engine Speed Limited Due to Cold Oil
Code caused by: Engine speed commanded above 1500 rpm and transmission oil temperature below -5 °C (23 °F).
Control Unit Response: Limits engine speed to 1500 rpm.
NOTE: This code is normal when oil is cold and (-5 °C [23 °F]).

ACU 000237.02 (ACU 237.02 )— VIN Security Data ConflictCode caused by: Vehicle Identification Number (VIN) from other control units is not the same.Control Unit Response: Function Degraded

ACU 000237.14 (ACU 237.14 )— VIN Security Not Enabled
Code caused by: Vehicle Identification Number (VIN) security has not been enabled.
Control Unit Response: Function Degraded

ACU 000237.31 (ACU 237.31 )— VIN Security Messages Missing
Code caused by: Vehicle Identification Number (VIN) not received from other control units.
Control Unit Response: Function Degraded

ACU 000581.07 (ACU 581.07 )— Transmission Not Responding to Command
Code caused by: PTI not responding to armrest control unit requests.Control Unit Response: Defaults to Neutral

ACU 000628.02 (ACU 628.02 )— ACU EOL Data Fault
Code caused by: End-of-line memory failed at start-up.
NOTE: End Of Line (EOL) Data Faults can sometimes be corrected by downloading new software. Attempt to download software for this application.
Control Unit Response: Defaults to Neutral

ACU 000629.11 (ACU 629.11 )— ACU Control Unit Fault
Code caused by: Check of RAM memory failed at start-up.Control Unit Response: None

ACU 000629.12 (ACU 629.12 )— ACU Control Unit Fault
Code caused by: Armrest control unit software failed to execute in allotted time.
Control Unit Response: Defaults to Neutral

ACU 000630.02 (ACU 630.02 )— ACU Calibration Fault/Data Invalid
Code caused by: Armrest control unit invalid calibration values or failure of calibration memory.Control Unit Response: Function Degraded

ACU 000630.13 (ACU 630.13 )— ACU Calibration Fault/Not Calibrated
Code caused by: Armrest control unit has never been calibrated or a faulty calibration was saved.
Control Unit Response: Defaults to Neutral

ACU 000974.02 (ACU 974.02 )— Hand Throttle Sensor Circuit Voltage Conflict
Code caused by: Hand throttle sensor circuits 1 and 2 voltage conflict.
Control Unit Response: Function Degraded

ACU 000974.03 (ACU 974.03 )—Hand Throttle Sensor Circuit Voltage High
Code caused by: Hand throttle sensor circuit voltage high.
Control Unit Response: Function Degraded

ACU 000974.04 (ACU 974.04 )— Hand Throttle Sensor Circuit Voltage Low
Code caused by: Hand throttle sensor circuit voltage low.
Control Unit Response: Function Degraded

ACU 001079.03 (ACU 1079.03 )— ACU Sensor Supply 1 Voltage High
Code caused by: Armrest control unit sensor supply voltage high.Control Unit Response: Function Degraded

ACU 001079.04 (ACU 1079.04 )— ACU Sensor Supply 1 Voltage Low
Code caused by: Armrest control unit sensor supply voltage low.
Control Unit Response: Function Degraded

ACU 001080.03 (ACU 1080.03 )— ACU Sensor Supply 2 Voltage High
Code caused by: Armrest control unit sensor supply voltage high.
Control Unit Response: Function Degraded

ACU 001080.04 (ACU 1080.04 )— ACU Sensor Supply 2 Voltage Low
Armrest control unit sensor supply 2 voltage low.
Control Unit Response: Function Degraded

ACU 002000.09 (ACU 2000.09 )— ECU Message Missing
Code caused by: Armrest control unit not receiving required messages from the ECU.
Control Unit Response: Defaults to idle and disables throttle functions. Commands PARK.

ACU 002003.09 (ACU 2003.09 )— PTI or PTP Message Missing
Code caused by: Armrest control unit not receiving required messages from the PTI or PTP.Control Unit Response: Commands PARK.

ACU 002020.09 (ACU 2020.09 )— SFA Message Missing
Code caused by: Armrest control unit not receiving required messages from the SFA.
Control Unit Response: Limited Vehicle Speed (30 km/h)

ACU 002049.09 (ACU 2049.09 )— CAB Message Missing
Code caused by: Armrest control unit not receiving required messages from CAB.
Control Unit Response: Defaults to Neutral

ACU 523664.02 — Speed Band 1 and 2 Switches Conflict
Code caused by: Speed band 1 and 2 switches are reading same value.
NOTE: Code is only valid for vehicles equipped with AutoPowr/IVT left-hand reverser option.
Control Unit Response: Defaults to Neutral

ACU 523923.02 — SCV I Control Lever Switch/Sensor Conflict
Code caused by: SCV I control lever switch and sensor voltage conflict.
Control Unit Response: SCV I disabled by SCC control unit

ACU 523923.03 — SCV I Control Lever Sensor Circuit Voltage High
Code caused by: SCV I control lever sensor voltage high.
Control Unit Response: SCV I disabled by SCC control unit

ACU 523923.04 — SCV I Control Lever Sensor Circuit Voltage Low
Code caused by: SCV I control lever sensor voltage below 0.2V.
Control Unit Response: SCV I disabled by SCC control unit

ACU 523953.02 — AutoPowr/IVT Speed Control Lever Sensor Circuit Conflict
Code caused by: Speed control lever sensor voltages 1 and 2 conflict.Control Unit Response: Defaults to Neutral

ACU 523953.03 — AutoPowr/IVT Speed Control Lever Sensor Voltage High
Code caused by: Speed control lever sensor voltage high.
Control Unit Response: Defaults to Neutra