Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSLAND ROVER2013RANGE ROVER SPORT HSEREPAIR AND DIAGNOSIS (SINGLE PAGE)SUSPENSIONSUSPENSION CONTROL SYSTEMSDIAGNOSTIC TROUBLE CODE INDEX DTC: AIR SUSPENSION CONTROL MODULE -- RANGE ROVER SPORT/L320DIAGNOSTIC TROUBLE CODE INDEX DTC: AIR SUSPENSION CONTROL MODULEDESCRIPTION AND OPERATIONDTC C1A20-64: PRESSURE INCREASE TOO SLOW WHEN FILLING RESERVOIR - SIGNAL PLAUSIBILITY FAILUREACTION
2013 Land Rover Range Rover Sport HSE
DTC C1A20-64: Pressure Increase Too Slow When Filling Reservoir - Signal plausibility failure: Action
2013 Land Rover Range Rover Sport HSESECTION Action
- Where available, refer to the guided diagnostic routine for this DTC on the approved diagnostic system. Check the Air suspension intake pipe and silencer for blockage/restriction
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.