Jungheinrich Error — Code 1901

Inspect the pedal return spring. If it is broken or weak, the pedal will not return to neutral, triggering the code at startup.

Ensure your foot is completely off the drive pedal before turning the key to start the truck. Jungheinrich Error Code 1901

Proactive care dramatically reduces recurrence: Inspect the pedal return spring

The steering angle sensor communicates via the Controller Area Network (CAN) bus on newer Jungheinrich trucks. A loose connector at the steering column or a corroded pin can drop packets, causing the controller to flag Code 1901. Jungheinrich Error Code 1901