LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2021 >> C-HR LE >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Control System (W/ Canister Pump) - Diagnostic Codes (P0606-P219A) >> SFI SYSTEM (w/ Canister Pump Module) >> DTC P10A0: VALVEMATIC Angle Difference (CSS); DTC P1055: VALVEMATIC Angle Difference (ECU) [02/2017 - ] >> Typical Enabling Conditions
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Typical Enabling Conditions

P10A0: VALVEMATIC SYSTEM TARGET ERROR / SLOW RESPONSE MALFUNCTION FOR VALVEMATIC COLD START STRATEGY

Monitor runs whenever the following DTCs are not stored None
All of the following conditions are met -
Engine coolant temperature -20°C (-4°F) or higher
Motor activation Active
Engine speed 300 rpm or higher
Battery voltage 8 V or higher
Cold start conditions* of secondary parameters in VALVEMATIC cold start strategy are met -
P1055: VALVEMATIC SYSTEM TARGET ERROR / SLOW RESPONSE MALFUNCTION

Monitor runs whenever the following DTCs are not stored None
All of the following conditions are met -
Engine coolant temperature -20°C (-4°F) or higher
Motor activation Active
Engine speed 300 rpm or higher
Battery voltage 8 V or higher
Cold start conditions* of secondary parameters in VALVEMATIC cold start strategy are not met -
*: Cold start conditions is all of the following conditions are met -
Engine coolant temperature -10°C (14°F) or higher, and less than 60°C (140°F)
Idle ON
Target valve event angle 150°CA