B29C0

Code

Generic B — Body

Front Camera Obstruction Detected

Brand: Generic

Type: B — Body

Views: UK: 9 EN: 15 RU: 8

AI status

Completed

ready

Completed 100%

Page language: EN

Causes

Dirt, mud, snow, ice, insect film, or road spray on the camera lens
Physical obstruction (badge, tow hook cover, aftermarket accessory) blocking camera view
Condensation or moisture inside the camera housing
Damaged, cracked, or misaligned camera lens or housing
Faulty camera heater/defroster or washer system (if equipped)
Poor electrical connection, power/ground issue, or intermittent module communication

Symptoms

Warning light or message indicating camera obstruction or reduced vision system availability
Loss or degradation of front camera image in the infotainment display (if available)
Driver-assist features reduced or disabled (adaptive cruise, lane keep, automatic emergency braking)
Possible intermittent faults when vehicle is wet or after washing

What to check

Use a scan tool to read freeze frame, stored data and live camera status/obstruction flags
Visually inspect the front camera lens and surrounding area for dirt, ice, obstructions or damage
Check for aftermarket parts, license plate frames, tow-eye covers, or other items that could block view
Operate camera washer/heater (if equipped) and observe whether obstruction clears or fault clears
Inspect camera housing for moisture/condensation and for cracked lens or broken seals
Verify camera module power and ground voltages with a multimeter at the connector

Signal parameters

Camera video stream present/absent
Obstruction flag or confidence parameter from camera algorithm
Camera supply voltage (nominal typically 9–16 V depending on vehicle)
Camera ground continuity
Module CAN/LIN message presence and error counters
Temperature sensor inside camera (if applicable)

Diagnostic algorithm

Connect a diagnostic scan tool and record all freeze-frame data, live camera status, and fault details; note conditions when fault set
Visually inspect and photograph the camera lens and surrounding trim for dirt, obstructions, or damage
Manually clean the lens with appropriate lens-safe cleaner and a microfiber cloth; avoid excessive force or solvents that could damage coatings
Operate any camera washer/heater and observe clearing; if cleaning clears code, road-test and verify no reoccurrence
If obstruction remains after cleaning, inspect housing for cracks or moisture; dry housing if condensation present and verify seal integrity
Inspect electrical connector at camera: unplug, inspect pins for corrosion/bend, check for water, then reconnect securely
Measure camera supply voltage and ground at connector with key on; compare to specifications
If electrical and mechanical checks OK, perform module communication checks: verify CAN messages to/from camera module and absence of comm. faults
If software-related or after replacement, perform camera calibration or system relearn per manufacturer procedures
If camera is visibly damaged, internal contamination present, or fails functional tests, replace camera module and perform calibration/relearn; clear codes and road-test to confirm repair

Likely causes

Lens contamination (dirt, road grime, snow)
Physical obstruction from an accessory or broken trim piece
Moisture ingress or condensation inside housing
Loose connector or corroded wiring to the camera module

Fault status

⚠️ Status

Front camera obstruction detected — camera image degraded or blocked. System may restrict or disable front-camera-dependent driver assistance until obstruction is cleared and fault is resolved.

🟡 Repair difficulty: Medium

⏱️ Diagnostic time: 0.5-2.0 hours