This guide explains how to diagnose and repair Deutz EMR3 engine fault code 59 / 701 / Dummy1CD_SigNpl.
Related Contents:
Error Description
- Label: RESERVE 2
- Reserve Output 1: The ECU detects no load or excessive temperature in the ECU’s internal power supply circuit for connected components.
Error Details
- DEUTZ Error Code: 59
- Blink Code: 1 – 0 – 0 (short–long–short)
- SPN: 701
- Possible FMI: Error mode not identifiable (multiple instances)
Error Detection Behavior
- Error lamp: Permanently lit
- Entry stored in ECU error memory
Possible Causes
- Cable break in output circuit
- Damaged connection cable
- Defective connected component
- Incorrect parameter configuration for the output
- ECU internal failure
Repair Actions
- Inspect the connection cable for breaks or damage. Repair or replace if necessary.
- Check the connected components for faults.
- Verify and correct output parameter settings in ECU.
- If fault persists, replace the ECU.
System Response
- Reaction: Output is shut off
- Error lamp behavior: Permanent light
- Self-healing: None (manual repair required)
- Signal priority: 1 (critical)
- Measurement at error time: Output value shut off
For more topics about Deutz repair case,please refer to:Deutz Trouble Repair.