Conditions for Setting the DTC: P2138
WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
- The ECM detects that the voltage difference between APP sensor 1 and 2 is greater than 0.46 volts.
- The ECM detects that the voltage difference between APP sensor 1 and 2 is greater than 0.58 volts with a partially pressed pedal.
- The ECM detects that the voltage difference between APP sensor 1 and 2 is greater than 3.4 volts with a fully pressed pedal.
- Any of the above conditions exist for greater than 1 second.