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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 532 (HYBRID CONTROL SYSTEM - DIAGNOSIS)DTC U0100/211: LOST COMMUNICATION WITH ECM/PCM "A", DTC U0100/212 LOST COMMUNICATION WITH ECM/PCM "A". DTC U0100/530 LOST COMMUNICATION WITH ECM/PCM "A", DTC U0111/208 LOST COMMUNICATION WITH BATTERY ENERGY CONTROL MODULE "A", DTC U0111/531 LOST COMMUNICATION WITH BATTERY ENERGY CONTROL MODULE "A", DTC U0129/220 LOST COMMUNICATION WITH BRAKE SYSTEM CONTROL MODULE, DTC U0129/222 LOST COMMUNICATION WITH BRAKE SYSTEM CONTROL MODULE, DTC U0129/528 LOST COMMUNICATION WITH BRAKE SYSTEM CONTROL MODULE. DTC U0129/529 LOST COMMUNICATION WITH BRAKE SYSTEM CONTROL MODULE. DTC U0131/433 LOST COMMUNICATION WITH POWER STEERING CONTROL MODULE, DTC U0131/434 LOST COMMUNICATION WITH POWER STEERING CONTROL MODULE, DTC U0146/435 LOST COMMUNICATION WITH GATEWAY "A"MONITOR STRATEGY
2004 Toyota Matrix XR, FWD, Standard

Monitor Strategy

2004 Toyota Matrix XR, FWD, StandardSECTION Monitor Strategy
WARNING: This page is about a different car, the 2004 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.

U0100: 

Fig 1: DTC U0100 Monitor Strategy Table
G02917969Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

U0111: 

Fig 2: DTC U0111 Monitor Strategy Table
G02917970Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.