Fault Family System: Powertrain (P-Codes) 6 SAE Codes

Throttle Body Stuck

Diagnostic & Technical Explanation

P2072 (Throttle Actuator Control System - Ice Blockage Bank 1) indicates the throttle plate itself is not moving to its commanded position even though the motor circuit and position sensors test correctly, pointing to a mechanical restriction rather than an electrical fault. Baked-on carbon deposits ringing the throttle bore, condensation freezing on the plate edge in cold, humid conditions, and a foreign object or heavy corrosion binding the shaft bearings are the usual causes.

These 6 diagnostic trouble codes share one detection mechanism and one repair path, which is why MechanicDB groups them into a single authored fault family rather than repeating the same explanation 6 times.

Codes in this family (6)

Code	Definition	Repair coverage
P2072	Throttle Actuator Control System - Ice Blockage Bank 1	3 ranked fixes
P2111	Throttle Actuator A Control System - Stuck Open	3 ranked fixes
P2112	Throttle Actuator A Control System - Stuck Closed	3 ranked fixes
P211A	Throttle Actuator B Control System - Stuck Open	3 ranked fixes
P211B	Throttle Actuator B Control System - Stuck Close	3 ranked fixes
P241C	Throttle Actuator Control System - Ice Blockage Bank 2	3 ranked fixes

What this page does not show

This page publishes the fault mechanism and the code index. The licensed dataset adds, for every one of the 15,886 codes, the full authored repair set (56,729 procedures in total) with the fields deliberately withheld here:

Procedures 2..n after the first-listed procedure
Aftermarket parts cost ranges in USD (est_parts_cost_min/max_usd)
Professional labor-hour estimates (est_labor_hours)
Step-by-step diagnostic and repair instructions
Replacement-part mappings and catalog lookups
6,637 manufacturer-specific OEM codes across 32 makes ($149 tier)

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