B3656
Electrical Power Take Off Control Switch Circuit High
B3656 is an OBD-II diagnostic trouble code meaning: Electrical Power Take Off Control Switch Circuit High. Common causes: short circuit to positive in the control circuit, pto switch failure. Estimated repair cost: $56–167.
Symptoms
- Inability to activate the power take-off system
- Unstable operation of the PTO system
- Malfunction indicator light comes on
Causes
- Short circuit to positive in the control circuit
- PTO switch failure
- Wiring harness damage
- Problems with the PTO control unit
How to Fix
- Check the integrity of the wiring harness in the control circuit
- Check PTO switch resistance
- Check the voltage at the switch contacts
- If necessary, replace the switch or repair the wiring harness
Related codes
Error B3656 by Vehicle Brand
FAQ
What does the B3656 code mean?
B3656 is an OBD-II diagnostic trouble code that indicates: Electrical Power Take Off Control Switch Circuit High
What causes a B3656 error code?
The most common causes of B3656 include: Short circuit to positive in the control circuit; PTO switch failure; Wiring harness damage; Problems with the PTO control unit.
How do I fix a B3656 diagnostic trouble code?
To fix B3656: Check the integrity of the wiring harness in the control circuit. Check PTO switch resistance. Check the voltage at the switch contacts. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B3656?
Limited driving only, diagnose soon
How much does it cost to fix B3656?
The estimated repair cost for B3656 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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