Code Definition

B1062 — Mode Selection Damper Control Motor Potentiometer Circuit Short to Ground

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

About B1062

B1062 is a manufacturer-specific body diagnostic trouble code recorded for Mitsubishi vehicles. It belongs to the B-prefix family of codes, which covers body, interior, airbag, or comfort-electronics faults.

When B1062 is stored, the module has detected a short-circuit (voltage pulled to ground or to supply) in the monitored circuit.

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.

B1062 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 A/C ECU (climate control module) on Mitsubishi automatic climate systems commands the mode selection damper motor to rotate the airflow mode door (face, bi level, floor, floor/defrost, defrost) and monitors the position by reading the voltage on a potentiometer built into the motor assembly. DTC B1062 sets when, with ignition ON and the climate system active, the ECU sees the potentiometer feedback voltage pinned at or very near 0V (ground) regardless of commanded motor position, indicating a short to ground on the signal wire or a failed potentiometer wiper. The fault must persist beyond ...

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