Fault Family System: Powertrain (P-Codes) 3 SAE Codes

Active Radiator Airflow Module

Diagnostic & Technical Explanation

Code P2EAA (Active Radiator Air Flow Control Module A Control Circuit Performance) covers the module that drives the active radiator shutter/damper system's airflow control, flagging a control-circuit performance fault, an over-temperature condition, or an internal performance fault distinct from the shutter's own actuator/position-sensor codes. Causes are a degraded connector at the module's high-current feed, sustained operation in high-debris conditions overheating the module, or an internal module fault.

These 3 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 3 times.

Codes in this family (3)

Code	Definition	Repair coverage
P2EAA	Active Radiator Air Flow Control Module A Control Circuit Performance	3 ranked fixes
P2EAB	Active Radiator Air Flow Control Module A Over Temperature	3 ranked fixes
P2EAC	Active Radiator Air Flow Control Module A Performance	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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