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I don't see a C1049-63 error code in the manual, only these 2:
C1049-62 Front Axle Rod Pressure Regulating Valve - Signal compare failure
C1049-64 Front Axle Rod Pressure Regulating Valve – Signal plausibility failure
Which in a little more detail:
C1049-62 Front Axle Rod Pressure Regulating Valve - Signal compare failure
- Dynamic response hydraulic fluid circuit requires bleeding
- Dynamic response hydraulic fluid low
- Dynamic response hydraulic fluid leak from high front axle rod pressure primary circuit, secondary circuit or dynamic response hydraulic fluid reservoir
- Dynamic response hydraulic fluid contaminated Broken stabilisation link
- Broken roll bar module
- Sensor fault
- Valve fault - Sticking valve
- Actuator fault
- Dynamic response hydraulic fluid reservoir suction port screen damaged
There is some suggestions around steps to take / try ... but I think first and foremost, check the simple things.
a - is there fluid in the reservoir ?
b - are you sure you dont have a leak ?
There are a number of threads on the ACE system, the fluid, the pipes which corrode ( particularly at that age ) and their replacement.
I'm not a betting man, however, my first instinct gut thought is that you have a leak or blocked filter, that the fluid has dropped to a level where the pump is scavenging fluid or similar, and rather than being able to maintain a flow at a set pressure, its grabbing what fluid it can and pumping it, then running short and so the flow is stuttering, and what you're seeing as a result is that stuttering flow transferring into the hydraulic roll bars.
- or -
if you do have fluid and no leaks
I've found that mud and crud gets thrown up off the front wheel and lies on top of the valve block where the electrical connectors are. Might be worth taking the under sill off and making sure that the top of the valve block is all clear of crap, and that the connectors are all in good order. thats an easy thing to do. V8 or else ...
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8th Jul 2025 11:26pm
