Bobcat W3262 (32-62) Fault Code: ACS Handle Lock Short to Battery
Also shown on the panel as 32-62 · Also called ACS (AHC) Handle Lock Short to Battery
ACS Handle Lock Short to Battery · ai-assisted, editor-reviewed · Last updated 2026-07-13
TL;DR
W3262 (panel form 32-62) sets when the ACS controller detects voltage on the handle lock signal wire 4220 when it did not command that voltage. This points to a short to battery voltage on wire 4220, a bad hand/foot mode switch, a handle assembly problem, or a wiring/connector fault feeding the ACS controller.
Medium severity. This code affects the advanced control system that manages hand/foot control mode and handle locks. It is not an engine or hydraulic pressure fault, but it can affect operator control mode switching and should be diagnosed before returning the machine to normal work.
What does Bobcat error code W3262 mean?
W3262 is set by the ACS (advanced control system, sometimes shown as AHC) controller when it sees voltage present on signal wire 4220, the handle lock feedback/on wire, at a time when the controller itself did not command that circuit active.
Normally, the ACS controller supplies battery voltage to the handle locks on signal wires 4230 and 4240, and to the hand/foot control mode switch LED on signal wire 4235, only when hand mode is selected and PTOL (the parking/travel/operator lockout function referenced by the code's clearing condition) is enabled. If wire 4220 shows voltage outside of that commanded state, the controller flags it as an unexpected short to battery voltage.
In practical terms, this means the wiring or components tied to the handle lock circuit are feeding power back into the signal line when they should not be, or a component in that circuit has failed in a way that mimics a command signal.
Common causes of W3262
- Signal wire 4220 shorted to supply voltage (battery voltage bleeding into the signal circuit).
- Hand/foot mode selection switch failure or malfunction.
- Left or right handle assembly fault.
- ACS controller internal fault.
- Moisture, corrosion, or pushed back pins in the ACS controller connectors, ACS harness, cab harness, mainframe harness, or handle lock connectors.
- Intermittent condition: if the code is not active at the time of testing, the root cause may not be found immediately. Likely contributors in intermittent cases include loose connections, corrosion, pushed back pins, the controller itself, the wire harness, or a combination of these problems.
How to troubleshoot Bobcat W3262: first checks
- Confirm the key switch is in the run/enter position (on), since this is the condition required for the code to be active and testable.
- Visually inspect the ACS controller connectors, ACS harness, cab harness, mainframe harness, and handle lock connectors for moisture, corrosion, or pushed back pins.
- Check wire 4220 for a short to supply/battery voltage using a multimeter with the harness disconnected from the controller.
- Inspect and test the hand/foot mode selection switch for proper operation and correct switching behavior.
- Check the left and right handle assemblies for internal faults that could feed voltage back onto the signal wire.
- If the code is intermittent and not present during testing, wiggle-test the harness and connectors at the ACS controller, cab, and mainframe while monitoring for the fault to reappear, since loose connections are a common intermittent cause.
- If wiring and switches check out, suspect the ACS controller itself as the source of the fault.
How the code clears
There is no separate reset procedure listed for this code beyond correcting the fault. The listed condition for clearing the code is that PTOL is enabled. Once the wiring, switch, handle assembly, or controller issue is repaired and PTOL is enabled, the code should clear on its own.
Affected models and serial ranges
W3262 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 W3262 mean?
It means the ACS controller detected voltage on the handle lock signal wire 4220 when the controller had not commanded that circuit active. This is described as a short to battery voltage condition on that signal wire.
What is the panel display form of W3262?
The numeric panel form of this code is 32-62.
Which Bobcat machines can show W3262?
This code applies to the S510, S530, S550, S570, S590, S630, S650, S750, S770, T550, T590, T630, T650, T750, and T770, and T870 models.
Is W3262 dangerous to keep operating with?
It affects the hand/foot control mode and handle lock circuit managed by the ACS controller. It is an electrical control fault rather than an engine or hydraulic pressure fault, but any fault affecting operator control switching should be diagnosed and repaired before continued operation, since it can affect how handle locks and control mode behave.
What is the most common cause of this code?
The listed causes include a short to supply voltage on wire 4220, a bad hand/foot mode selection switch, a faulty left or right handle assembly, moisture or corrosion in ACS related connectors and harnesses, or a fault in the ACS controller itself.
Why does W3262 come and go intermittently?
If the code is not active at the time of testing, the cause may not be immediately identifiable. Likely reasons for intermittent behavior include loose connections, corrosion, pushed back pins, harness issues, or the controller, sometimes in combination.
How do I clear W3262 after repair?
No separate reset procedure is listed for this code. The condition listed for clearing it is that PTOL is enabled after the underlying wiring, switch, handle, or controller issue has been corrected.