P2138 Diagnostic Trouble Code Discussion for February 2020
Accelerator Position Sensor 1-2 Correlation
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| Help Request | Posted | |
| 2004 Dodge Ram 1500 ST 5.7L MIL Lamp on VIN: 1D7HU18D84 P2138: app1 and 2 voltage correlation. ... a presumed faulty sensor.Found the APP 1 voltage always showing low at any throttle application.Unplugged the sensor and using the 5V reference wire feed the sensor bridged voltage to the APP 1 signal wire and saw 5v on the scan tool.Faulty APP sensor... |
February 15, 2020 |
