Fault Family System: Body (B-Codes) 40 SAE Codes

ADAS Sensor Cleaning System Circuit

Diagnostic & Technical Explanation

Code B0100 (Sensor Cleaning Air Blower Actuator A) sets when the body control module cannot drive a camera, lidar, or A/V-sensor cleaning component -- an air blower actuator or its control relay, a lidar or camera washer nozzle actuator, or the shared washer fluid reservoir level sensor -- to its commanded state, or that actuator's control circuit reads open, shorted, or out of range. These components keep ADAS cameras and lidar units clear of road grime so lane-keeping, automatic braking, and adaptive cruise can see properly, and although each actuator serves a different sensor, they share the same low-current relay/actuator circuit design and the same washer fluid supply. Typical causes are a seized blower or pump motor, a corroded actuator connector exposed to washer fluid, or a reservoir level sensor stuck reporting empty.

These 40 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 40 times.

Codes in this family (40)

Code	Definition	Repair coverage
B0100	Sensor Cleaning Air Blower Actuator A	4 ranked fixes
B0101	Sensor Cleaning Air Blower Actuator B	4 ranked fixes
B0102	Sensor Cleaning Air Blower Actuator A Control	4 ranked fixes
B0103	Sensor Cleaning Air Blower Actuator B Control	4 ranked fixes
B0104	Sensor Cleaning Air Blower Actuator A Control Relay	4 ranked fixes
B0105	Sensor Cleaning Air Blower Actuator B Control Relay	4 ranked fixes
B0106	LIDAR Washer Actuator A	4 ranked fixes
B0107	LIDAR Washer Actuator B	4 ranked fixes
B0108	LIDAR Washer Actuator C	4 ranked fixes
B0109	LIDAR Washer Actuator D	4 ranked fixes
B010A	Camera Washer Actuator A	4 ranked fixes
B010B	Camera Washer Actuator B	4 ranked fixes
B010C	Camera Washer Actuator C	4 ranked fixes
B010D	Camera Washer Actuator D	4 ranked fixes
B010E	Camera Washer Actuator E	4 ranked fixes
B010F	Camera Washer Actuator F	4 ranked fixes
B0110	Camera Washer Actuator G	4 ranked fixes
B0111	Camera Washer Actuator H	4 ranked fixes
B0112	Camera Washer Actuator J	4 ranked fixes
B0113	Camera Washer Actuator K	4 ranked fixes
B0114	Camera Washer Actuator L	4 ranked fixes
B0115	Camera Washer Actuator M	4 ranked fixes
B0116	Camera Washer Actuator N	4 ranked fixes
B0117	Camera Washer Actuator O	4 ranked fixes
B0118	Camera Washer Actuator P	4 ranked fixes
B0119	Camera Washer Actuator Q	4 ranked fixes
B011A	Camera Washer Actuator R	4 ranked fixes
B011B	Camera Washer Actuator S	4 ranked fixes
B011C	Fluid Reservoir Level Sensor A	4 ranked fixes
B011D	Fluid Reservoir Level Sensor B	4 ranked fixes
B011E	Fluid Reservoir Level Sensor C	4 ranked fixes
B011F	Fluid Reservoir Level Sensor D	4 ranked fixes
B0120	Fluid Reservoir Level Sensor E	4 ranked fixes
B0121	Fluid Reservoir Level Sensor F	4 ranked fixes
B012F	A/V Sensor Washer Fluid A Control Circuit	4 ranked fixes
B0130	A/V Sensor Washer Fluid B Control Circuit	4 ranked fixes
B0131	A/V Sensor Washer Fluid C Control Circuit	4 ranked fixes
B0132	A/V Sensor Washer Fluid D Control Circuit	4 ranked fixes
B0133	A/V Sensor Washer Fluid E Control Circuit	4 ranked fixes
B0134	A/V Sensor Washer Fluid F Control Circuit	4 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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