Rick's Free Auto Repair Advice

Posts Tagged: Hyundai P2127

P2122, P2123, P2125, P2127, P2128

Fix codes P2122 P2123 P2125 P2127 P2128 Hyundai Sante Fe All these trouble codes relate to problems with the accelerator pedal position (APP) sensor. To test, unplug the electrical connector at the accelerator pedal position sensor. Using a digital multimeter and with the key in the RUN position, check the Green wire for 5 volts (pos lead from meter to green wire, neg lead to ground). Then check the black/white wire for good ground (pos lead from meter on Green wire, neg lead to black/white wire)–should read 5 volts. Reconnect … Read More


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