14949 posts · Joined 2006. #5 · Jan 20, 2009. The 1693 code is whats called a companion code. Its basically telling you that theres another code somewhere in there and if the problem persists you may eventually see the other code. But if the problem goes away so will the 1693.
As stated earlier, the P1693 on Dodge Cummins trucks refers to the additional codes in the ECM. You can breakdown the code like this: P – Powertrain, the system which transmits the power to the wheels. 1 – means the code is manufacturer specific. 6 – Computer auxiliary outputs.Connected OBD up to the immobiliser, shown the following codes: P1693 - Transponder - intermittent P1696 - Immobilizer; incorrect key code - intermittent Cleared them to monitor if they *both* re-occur if the problem resurfaces. Done quite a bit of searching on this and other forums, and found several interesting leads:
22. p0108. High level of the air pressure sensor output signal. 25. p0110. Fault of suction air temperature sensor. 28. p0111. Intake air temperature sensor output from acceptable range.Hyundai Accent (2 problems) No power supply to obd2plug / Burning 1 quart of oil every 350 miles. / Car drove sluggish trouble accelerating,put new spark plugs,said needs
The P1693 code is a generic powertrain code, which means that it can appear on any vehicle regardless of the make or model. This code indicates a problem with the “MIL Control Circuit” in the vehicle’s engine control module (ECM). The MIL (Malfunction Indicator Lamp) is the warning light on your dashboard that illuminates when there’s aThe P1693 Dodge Cummins code is a unique fault code that signifies a more severe fault in your vehicle. The P1693 code indicates that your engine has a problem, and it points to whatever the cause is. This way, you can quickly diagnose your engine and get to the root of the problem with little risk of misdiagnosing.t5CQ6.