OBD-II code · Network
U0270 Lost Communication With Image Processing Sensor L
The vehicle bus reports loss of communication with image processing sensor L. ADAS functions that depend on this camera (lane keeping, traffic-sign recognition, forward collision warning) may be inhibited.
Is it safe to drive with U0270?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyBus wiring open or shorted
- PossibleModule without power or ground
- PossibleModule failed
Symptoms
- Multiple warning lights may illuminate
- Affected modules may go into limp mode or shut down
- Specific functions inoperative depending on module
- Diagnostic tools may show communication faults
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–4 h
- Emissions test
- Usually unaffected
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Image Processing Sensor L, Vehicle Bus Wiring
Related codes
- U0265Lost Communication With Image Processing Sensor A
- U0266Lost Communication With Image Processing Sensor B
- U0267Lost Communication With Image Processing Sensor C
- U0268Lost Communication With Image Processing Sensor D
- U0269Lost Communication With Image Processing Sensor E
- U026ALost Communication With Image Processing Sensor F
- U026BLost Communication With Image Processing Sensor G
- U026CLost Communication With Image Processing Sensor H
- U026DLost Communication With Image Processing Sensor I
- U026ELost Communication With Image Processing Sensor J
- U026FLost Communication With Image Processing Sensor K
- U0271Lost Communication With Seat Control Switch Module C
- U0272Lost Communication With Seat Control Switch Module D
- U0273Lost Communication With Lighting Driver Control Module A
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.