C1252 — manufacturer-specific chassis code

C1252 is a manufacturer-specific chassis code: it is defined by the carmaker, not by the OBD-II standard, so the same code can mean different things on different brands. Below are the vehicles and failure patterns where owners report it, drawn from NHTSA complaints — the most reliable guide to what it means in practice.

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In our record, C1252 is reported only on Toyota vehicles , against brakes and electrical failure patterns , across 2008–2014 model years.

In ProblemsByVin's analysis of the NHTSA owner-complaint record, owners cite C1252 across 8 vehicle failure patterns. Diagnostic codes in complaints are reported by owners and are unverified — they point to where this code shows up, not a confirmed diagnosis. Open a page below for the full pattern (symptoms, mileage, repair costs owners cite).

Vehicles where owners report C1252 8 patterns

2014 Toyota Prius

cruise control — Brake booster pump assembly failure causing unintended acceleration

2013 Toyota Prius V

brakes — Brake Booster and ABS Pump Assembly Failure – Loss of Braking Power

2013 Toyota Prius

electrical — Brake booster and master cylinder assembly failure

2013 Toyota Prius C

brakes — Brake booster pump and accumulator failure

2012 Toyota Prius

electrical — Brake actuator/accumulator failure

2012 Toyota Prius

brakes — Brake Booster and Accumulator Internal Leak / Failure

2010 Toyota Prius

brakes — Brake booster pump assembly and accumulator failure

2008 Toyota Highlander

brakes — Brake actuator assembly failure with internal fluid leak

Codes are pulled from what owners wrote in their NHTSA filings — they're allegations, not a shop diagnosis. Always confirm with a live scan. Browse all diagnostic codes →