Bobcat W3263 (32-63) Fault Code: ACS Pedal Lock Short to Ground
Also shown on the panel as 32-63 · Also called ACS (AHC) Pedal Lock Short to Ground
ACS Pedal Lock Short to Ground · ai-assisted, editor-reviewed · Last updated 2026-07-13
TL;DR
W3263 (panel form 32-63) sets when the ACS controller commands voltage to the pedal locks on signal wire 4260 but does not see that voltage return, indicating a short to ground. When this code is active, the pedal locks engage and the loader may still run in hand mode, but foot mode pedal control is locked out.
Medium severity. The machine is not disabled outright since hand mode may still work, but foot-mode pedal control is locked out until the short is found and repaired. Treat it as a same-shift diagnostic job, not an emergency shutdown, unless the loss of pedal control affects the task at hand.
What does Bobcat error code W3263 mean?
W3263 is Bobcat's ACS (Advanced Control System, sometimes shown as AHC on some displays) fault for a pedal lock circuit shorted to ground. The ACS controller sends battery voltage out to the pedal locks on signal wires 4270 and 4280, and to the hand/foot mode switch LED on wire 4275, whenever foot mode is selected and PTOL is enabled. It expects to see that same voltage return on signal wire 4260. If it doesn't see that voltage when it should, it sets W3263.
In plain terms, the electronic pedal-lock feature is part of the hand/foot control mode system. When the fault is active, the controller responds by keeping the pedal locks engaged as a safe default. The loader may still be operable in hand mode, but you lose foot-pedal control until the fault is cleared.
Common causes of W3263
- Signal wire 4260 shorted to ground somewhere in the harness
- Faulty hand/foot mode selection switch
- Faulty pedal locks (the solenoid or switch assembly itself)
- Faulty ACS controller
- Moisture, corrosion, or pushed-back pins in the ACS controller connectors, ACS harness, cab harness, mainframe harness, or pedal lock connectors
- If intermittent and not active during testing, the cause may not be found immediately; possible contributors include loose connections, corrosion, pushed-back pins, the controller, the wire harness, or a combination of these
How to troubleshoot Bobcat W3263: first checks
- Confirm the conditions under which the code sets: foot mode selected, key switch in run/enter position, and PTOL enabled
- Visually inspect the ACS controller connectors, ACS harness, cab harness, mainframe harness, and pedal lock connectors for moisture, corrosion, or pushed-back pins
- Check signal wire 4260 end to end for a short to ground, along with related wires 4270, 4280, and 4275
- Test the hand/foot mode selection switch for proper operation
- Test the pedal lock assembly itself for a short or internal fault
- If the code is intermittent, wiggle-test connectors and harness sections while watching for the code to reappear, since it may not be present at the time of testing
How the code clears
Cycle power to clear the code once the repair is complete. No separate clearing step is listed beyond a power cycle.
Affected models and serial ranges
W3263 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 ATZC11001-99999 |
| 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 A39511001-99999, 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 W3263 mean?
It means the ACS controller commanded voltage to the pedal locks on signal wire 4260 but did not detect that voltage return, pointing to a short to ground in that circuit. The pedal locks then engage as a safe default.
Can I still drive or operate the loader with W3263 active?
The loader may still be able to operate in hand mode. Foot mode pedal control will be locked out because the pedal locks are engaged while the fault is active.
What is PTOL in relation to this code?
PTOL must be enabled, along with foot mode selected and the key switch in run/enter, for the ACS controller to command the pedal lock circuit and potentially set W3263.
What wires and components are involved in W3263?
The main circuit is signal wire 4260, the return path the ACS controller checks. Related wires are 4270 and 4280 (pedal lock supply) and 4275 (hand/foot mode switch LED). The hand/foot mode switch, pedal locks, and ACS controller are also involved.
How do I clear W3263 after repair?
Cycle the key switch power off and back on. No other clearing procedure is listed.
Why does my W3263 code come and go?
Intermittent W3263 codes are often caused by loose connections, corrosion, or pushed-back pins in the connectors rather than a constant short. If the code isn't active when you test, you may need to wiggle-test the harness and connectors to reproduce the fault.