LEMON Manuals
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Jaguar
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2011
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XF Base
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Repair and Diagnosis (Single Page)
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Brakes
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Traction Control
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Diagnostic Trouble Code: Anti-Lock Braking System (Abs) -- XF/X250
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Diagnostic Trouble Code (DTC) Index DTC: Anti-Lock Brake System Central Module (ABS)
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Description And Operation
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DTC C0021-09: Brake Booster Performance - Component failures
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Possible Causes
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Possible Causes
Brake booster vacuum hose split/leaking
Brake vacuum pump internal failure
Brake booster internal failure