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Thread: Codes U0421 & C1A13

  1. #1
    Join Date
    Jan 2007
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    Brisbane
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    Codes U0421 & C1A13

    I have been researching a suspension fault on my RRS 10. While there was a long list of fault codes these 2 seem to point to a suspension pump problem. Popping up a warning. It is random but seems to come on at slower speeds.

    I have only owned the car a few weeks so new to tracking down faults from codes. I need to identify which pump is fitted so will remove the cover and check tomorrow. Any help to identify which pump is fitted would be appreciated.

    Also if I am wrong and these codes don't indicate the pump is crook would appreciate being pointed in the right direction.

    Thanks in advance.

  2. #2
    Join Date
    Jan 1970
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    NSW SW Slopes
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    A quick search for the fault code descriptions suggests that the dryer might be blocked. This usually occurs when the desiccant becomes pulverised which then blocks the filter in the canister attached to the compressor.
    MY12 RRV 4.4 TDV8 AB, +LLAMS, +e-diff, +ACC stop/go. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
    VK2HFG and APRS W1 digi

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