C1241 on Toyota

Low or high power supply voltage to the skid control (ABS/VSC) ECU (Toyota)

This page covers only what differs on Toyota. For what C1241 means, the ranked causes and the test order, see the C1241 guide.

What's different on Toyota

Toyota

  • 2002–2003 · Sequoia

    Supported by vehicle data

    Owners report C1241 with VSC, TRAC and ABS lights, sometimes stored with C1203 or C1223; one dealer replaced a shorted skid control ECU. We found no Toyota bulletin naming C1241.

  • 2006–2011 · Highlander

    Supported by vehicle data

    Highlander and Highlander Hybrid owners report C1241 with C1253, C1256 or C1391, brake and VSC warnings, and dealers replacing the brake actuator or pump assembly.

  • 2010–2014 · Prius

    Supported by vehicle data

    Owners report C1241 with brake booster pump or accumulator codes and brake warnings; dealers quoted replacing the brake booster and pump assembly.

Sources and review

  1. NHTSA complaint 10315765: 2002 Toyota Sequoia, dealer finds C1241 — NHTSA Office of Defects Investigation
  2. Owner complaints mentioning C1241 on Toyota vehicles — NHTSA Office of Defects Investigation
  3. NHTSA complaint 10763495: 2006 Toyota Highlander Hybrid, dealer codes C1241, C1256, C1391 — NHTSA Office of Defects Investigation
  4. Camry Owner's Manual (OM06291U) — Toyota
  5. 2005 Toyota Sequoia repair manual: DTC C1241/41 power source circuit — Toyota Motor Corporation (third-party mirror)
Last reviewed
Written by
Saurabh K.
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