Code Definition

B10C1 — A/C Select Switch Stuck

System: Body  |  Type: Manufacturer-Specific  |  Make: Jeep

About B10C1

B10C1 is a manufacturer-specific body diagnostic trouble code recorded for Jeep vehicles. It belongs to the B-prefix family of codes, which covers body, interior, airbag, or comfort-electronics faults.

Scanning & clearing: Body (B) codes are often stored in the body control module, airbag module, or climate module. A basic OBD-II tool usually will not read body codes — an enhanced or OEM-level scan tool is typically required.

B10C1 is a manufacturer-specific code. The same code string on a different make may have a different meaning. Always confirm the code's definition against the vehicle's service information for the specific make and model under test.

Code Information

The HVAC control module on Jeep vehicles monitors the state of the A/C Select switch (the panel button or dial that the driver uses to request A/C cooling) and expects to see valid state changes when the switch is operated. The module debounces the switch input and watches for a stuck condition where the signal remains fixed regardless of driver input or operating state. DTC B10C1 is logged when the module detects that the A/C Select switch has not changed state within the expected monitoring window, or that it is stuck in a state which conflicts with the commanded climate settings, suggesting...

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