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Emergency
FAULT CODE READING

OBD2 codes.

A code identifies a signal or system that needs to be checked, not a part you should replace.

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0 code entries · 1 related fault

C0121

System
Chassis (C)
Code type
Generic code: it means the same on every make.

There is no code entry for C0121

Describe it in the diagnosisWe take what you typed to the form: we can point you in the right direction even without an entry.

Related faults in the database

Marea ABS valve-relay faultBrakes and safety
Engine / equipment
Only configurations, equipment and VINs included in the documented assignments.
Period mentioned
Repairer-sheet period/subversions stated in each assignment.
Symptoms
C0121 valve-relay code; verify diagnosis and installed ABS.
Possible cause described
ECU Repair Centre reports C0121 valve-relay faults in the Marea Kelsey-Hayes module; it does not specify the underlying internal component.
Check for the garage
Confirm module reference and diagnose C0121; check the circuit before sending the module to a specialist for evaluation/repair.
Cost cited in the source
No verifiable estimate; request a diagnostic and repair quotation.A rough figure from the original database, not an up-to-date quote.

Sources from the original database

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