Bobcat M7003 (70-03) Fault Code: Switched Power Output Error Off
Also shown on the panel as 70-03
Switched Power Output Error Off · ai-assisted, editor-reviewed · Last updated 2026-07-13
TL;DR
M7003 (panel code 70-03) sets when Bobcat's gateway controller commands switched power on wire 3380 or wire 8000 (depending on model/harness) but does not detect voltage there. When it sets, the display panel shuts off while the fault is present and drive, lift, and tilt functions are disabled.
High severity. M7003 disables drive, lift, and tilt while active and shuts off the display panel, so the machine is effectively unusable until the fault clears. It is not listed as causing engine or component damage, but it stops work immediately.
What does Bobcat error code M7003 mean?
: M7003 means the gateway controller sent a command to energize switched power output circuit 3380 or 8000, but did not see the voltage it expected back on that wire. Switched power is what the gateway uses to enable other systems, so when it fails to confirm the output, the controller shuts the display panel off and locks out drive, lift, and tilt as a safety precaution.
This is a controller-detected wiring or relay fault, not a mechanical failure in the hydraulic or drive systems themselves. The two wire numbers, 3380 and 8000, correspond to different harness variants across the affected Bobcat models, but the fault behaves the same way in either case.
Bobcat notes that other codes, including M4404 (auxiliary controller no communication), W3276 (CAN joystick information error), and D7501 (CAN joystick information error), may appear alongside M7003. These are usually symptoms of the same underlying power loss rather than separate problems.
Common causes of M7003
- Controller output wire (3380 or 8000, depending on harness) shorted to ground
- Failed switched power relay
- Faulty gateway controller
- Moisture, corrosion, or pushed-back pins in the gateway controller connectors, switched power relay connectors, or mainframe harness
- Intermittent condition: if the code is not active during testing, the exact cause may not be identifiable at that time; probable causes include loose connections, corrosion, pushed-back pins, the controller itself, the wire harness, or a combination of these
How to troubleshoot Bobcat M7003: first checks
- : Confirm the key switch is in the run/enter position, since that is the condition required for the code to set, then check if the code is currently active or stored as intermittent.
- Inspect the switched power relay and its connectors for corrosion, moisture intrusion, or pushed-back pins.
- Inspect the gateway controller connectors and the mainframe harness connectors for the same issues: corrosion, moisture, and pushed-back terminals.
- Check wire 3380 or wire 8000 (per the applicable harness) for a short to ground using a multimeter with the harness disconnected from the controller.
- Look for related codes M4404, W3276, or D7501 occurring at the same time, since these can help confirm a shared power supply problem rather than four separate faults.
- If the code will not stay active for testing, treat it as intermittent and inspect all connections in the switched power circuit methodically, since a loose or corroded connection may only fault under vibration or load.
How the code clears
M7003 is self resetting. No separate clearing procedure or scan tool reset step is listed. Once the wiring, relay, or controller issue is repaired and voltage is detected on the commanded circuit, the code should clear on its own and drive, lift, and tilt functions should return.
Affected models and serial ranges
M7003 appears in our records across 16 Bobcat models. Match your machine by model and serial number.
| Model | Serial ranges |
|---|---|
| S510 | SN A3NJ11001-99999, SN A3NK11001-99999, SN ATZC11001-ATZC99999 |
| S530 | SN A7TV11001-99999, SN ATZD11001-99999 |
| S550 | SN A3NK11001-A3NL99999, SN A3NM11001-99999 |
| S570 | SN A7U711001-799999, SN A7U811001-899999 |
| S590 | SN ANMN11001-99999, SN ANMP11001-99999 |
| S630 | SN A3NT12370-99999, SN A3NU11001-11111, SN A3NU11112-99999 |
| S650 | SN A3NV11001-13098, SN A3NV13099-99999, SN A3NW11001-11248, SN A3NW11249-99999 |
| S750 | SN A3P211001-299999 |
| S770 | SN A3P411001-99999 |
| T550 | SN A7UJ11001-AJZV12276 |
| T590 | SN ALJU11001-999999, SN B37811001-999999, SN B3Z711001-999999 |
| T630 | SN A7PU11001-11663, SN A7PU11664-99999 |
| T650 | SN A3P012214-099999, SN A3P111242-199999 |
| T750 | SN ANKA11001-A99999 |
| T770 | SN A3P811001-899999, SN A3P911001-999999 |
| T870 | SN A3PG11001-99999, SN A3PH11001-99999 |
Frequently asked questions
What does Bobcat code M7003 mean?
It means the gateway controller commanded switched power on wire 3380 or wire 8000 (depending on the model's harness) but did not detect voltage on that circuit. The panel display shuts off and drive, lift, and tilt are disabled while the fault is present.
Can I keep operating the machine with M7003 active?
No. While the code is active, the display panel shuts off and drive, lift, and tilt functions are disabled by the controller, so the machine cannot be safely operated until the fault clears.
Do I need a scan tool to clear M7003?
No separate clearing step is listed. The code is self resetting once the underlying voltage detection issue is fixed.
Why am I also seeing codes M4404, W3276, or D7501 with M7003?
Bobcat notes these codes may occur alongside M7003 because they often share the same root cause, a loss of switched power or communication tied to the same wiring or relay issue.
Is M7003 caused by a bad relay or a bad controller?
It can be either. Bobcat lists a shorted output wire, a failed switched power relay, a faulty gateway controller, or corroded/damaged connectors as possible causes, so each needs to be checked.
What if the code isn't active when I test the machine?
Bobcat acknowledges that an intermittent M7003 may not show a findable cause at the time of testing. In that case, inspect all connections in the switched power circuit for looseness, corrosion, or pushed-back pins, since these are the most likely intermittent culprits.
Which Bobcat machines can show code M7003?
It applies to the S510, S530, S550, S570, S590, S630, S650, S750, S770, T550, T590, T630, T650, T750, and T770 skid-steer and track loader models.