C1A20 on the 2011 Land Rover LR4
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.
| LTB00420NAS3 | 2017-06-01. Service bulletin. "SITUATION: THE AIR SUSPENSION WARNING LAMP MAY BE ILLUMINATED, THE AIR SUSPENSION MAY FAIL TO RAISE THE VEHICLE, AND DIAGNOSTIC TROUBLE CODE (DTC) C1A20-64 MAY BE STORED. VEHICLES WITHIN THE ABOVE VIN RANGES HAVE BEEN FITTED WITH EITHER A HITACHI OR AN OLD-DESIGN AMK SUSPENSION COMPRESSOR." |
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1 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.