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HINT: When any of these DTCs are set, check the APP sensor voltage by entering the following menus: Powertrain/Engine and ECT/Data List/ETCS/Accelerator Position No. 1 and Accelerator Position No. 2. ACCELERATOR PEDAL POSITION Code P2120 VPA fluctuates rapidly beyond upper and lower malfunction APP sensor ECM P2122 VPA 0.4 V or less for 0.5 seconds or more when accelerator pedal APP sensor Open in VCP1 circuit Open or ground short ECM P2123 VPA 4.8 V or higher for 2.0 seconds or more (1 trip detection APP sensor Open in EPA circuit ECM P2125 VPA2 fluctuates rapidly beyond upper and lower malfunction APP sensor ECM P2127 VPA2 1.2 V or less for 0.5 seconds or more when accelerator APP sensor Open in VCP2 circuit Open or ground short ECM P2128 Conditions (a) and (b) continue for 2.0 seconds or more (1 trip a. VPA2 4.8 V or higher b. VPA between 0.4 V and 3.45 V APP sensor Open in EPA2 circuit ECM P2138 Condition (a) or (b) continues for 2.0 seconds or more (1 trip a. Difference between VPA and VPA2 0.02 V or less b. VPA 0.4 V or less and VPA2 1.2 V or less Short between VPA APP sensor ECM Trouble Area Accelerator Position No. 1 When AP Released Accelerator Position No. 2 When AP Released Accelerator Position No. 1 When AP Depressed Accelerator Position No. 2 When AP Depressed VCP circuit open 0 to 0.2 V 0 to 0.2 V 0 to 0.2 V 0 to 0.2 V
2008 Toyota Tundra 2008 ENGINE PERFORMANCE Engine Control System (2UZ-FE) - Tundra
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