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P2138 Diagnostic Trouble Code Discussion for October 2010

Accelerator Position Sensor 1-2 Correlation

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Trouble Ticket Help Requests for DTC P2138
Help Request Posted
2006 Nissan Quest S 3.5L MIL Lamp on VIN: 5N1BV28U66
P2138: Accelerator Pedal Position Sensor Range/Performance (Bank 1). hello everyone i have 2006 nissan quest 3.5L came in with no aceleration and check engine light on i changed pedal sensor check all grounds and power to ecm all check good codes will not erase i check 5v ref. at acel pedal it has to sesor in one i should have ...
October 04, 2010
2004 Cadillac CTS 3.6L Hesitation VIN: 1G6DM577X4
P2138: Accelerator Pedal Position Sensor 1-2 Correlation Error. We have a 2004 cadillac cts that just randomly sets a code 2138 and sometimes seems to run half throttle, if you turn the car off and on the running problem goes away but the light stays on. We have checked 5 volt reference, and grounds, everywhere that we can...
October 14, 2010