CODE P1603 ON A JAGUAR X TYPE 3.0 V6 2002 - Jaguar X-Type question. Search Fixya. Browse Categories X-type jaguar automatic (gear box fault) 2003 Jaguar X-Type. 10 posts · Joined 2010. #1 · Sep 17, 2012. Hi. was hoping someone could give me some advice car went into limp mode driving home today .Had scanner plugged in came up with fault code p0105 manifold absolute pressure barometric pressure circuit. turn engine off restart engine runs fine for about 30 sec.s then back in to limp mode any Jaguar X-Type: 2002 x-type 3 liter awd. gearbox fault,reading 2002 x-type 3 liter awd. gearbox fault,reading / dash lite. Transmission shifts into neutral after second gear and when i ask for a lower gear from fifth or fourth gear. To cut things short my STR has developed a P0171/174 fault code. This is proving difficult to pin down with my local mechanic. Looking at the freeze frame data it appears that the Lambda sensors are working fine and the fault is being tripped when the engine is cold around 700rpm. What generally happens is when the car is cold I get a 2002 x-type 2.5 92000 miles in limp mode,shows trans fault, no cruise available, engine light on 2 Answers. My 2002 x-type starts okay but when I try to drive it needs alot of revs to move it like as if the brakes are being held down and the brakes take alot of pressure to stop it, is in limp mode, also sh Workshop manual says the following as regards possible causes for those codes: · CMP sensor circuit - short to ground, short to power, high resistance, disconnected. · CMP sensor gap incorrect, foreign matter on sensor face, damaged rotor. · CMP sensor failure. Replacing them looks like a faff but not insurmountable. My gearbox fault alarm came on in my 2002 x type Jaguar. When I took my car to a local pep boys shop they plugged in the code reader and it said it was my throttle body position sensor. After that I t … This might be useful info to anyone with high CO2 emissions, or chasing a P0420 or P0430 OBD Code (Catalyst System Efficiency Below Threshold). The P0420 is from the bank 1 catalytic converter and the P0430 is from the bank 2 cat on a V engine. Bank 1 can be the left side or the right side of the engine when looking from the front of the car afELc.