B1000; B1001 Some DTCs do not cause the MILto blink when the SCS line is … I'll work on it over the weekend and post my results. PN 11-74-7-537-612 $43.55. Roman. Page 39 Engine General Information and Diagnosis: 1A-21 Detecting condition DTC No. Trouble Code: P0421Catalyst Efficiency Below Normal (Bank 1)Possible Causes:Air leaks at the exhaust manifold or in the exhaust pipesCatalytic converter is contaminated, damaged or has failed Front HO2S and/or the rear HO2S is loose in the mounting hole Front HO2S older (aged) than the rear HO2S (HO2S is lazy) Front HO2S or rear HO2S is contaminated with fuel or moisture Trouble Code: P1173HO2S-21 (Bank 2 Sensor 1) Circuit MalfunctionPossible Causes:Base engine mechanical fault affecting one or more cylinders EVAP Purge valve stuck or the hoses to the valve are reversed Fuel metering fault (fuel injector sticking open or leaking) Fuel pressure too low or too high, fuel supply contaminated HO2S element is contaminated or the HO2S heater has failed PCV system has air leaks at the valve or related hosesTrouble Code: P0174Adaptive Fuel Trim Too Lean (Bank 2)Possible Causes:Vehicle driven low on fuel or until it ran out of fuel One or more injectors restricted or pressure regulator has failed Fuel delivery system supplying too much or too little fuel during cruise or idle periods (e.g., faulty fuel pump, or dirty fuel filter) Air leaks after the MAF sensor, or air leaks in the PCV system Air leaks at the EGR gasket, or at the EGR valve diaphragm Exhaust leaks before or near where the front HO2S is mounted HO2S is contaminated, deteriorated or it has failed Fuel control sensor is out of calibration (i.e., ECT, IAT or MAP) Base engine -mechanical- fault affecting one or more cylinders, SOURCE: Check Engine Light on - codes P1423 P1421. Posted by ALI SOHI on Oct 04, 2017. i.e. All trademarks and copyrights remain property of their respective owners. Each DTC has a set of testing procedures, instructions and flow charts that must be followed to confirm the location of the problem. Sign up for a new account in our community. My car threw 2 codes last night, both the same. I reset the CEL and it returned with just the P1421 and P1423 code. Using the Code Reader CODE RETRIEVAL PROCEDURE CODE RETRIEVAL PROCEDURE Never replace a part based only on the DTC definition. I got a little book with my hand-held scanner, but as often as not, I just look up the RossTech wiki on my phone... Have a look at the 'sticky' threads at the top of the page. Thank you for using FixYa, have a nice day. It usually means that your scan tool can't find the DTC that came up, in it's memory so it can't say what it is try using a different scanner Source(s): auto body tech and shop owner 2 0 If you can connect the scanner to a PC, then there maybe a way of updating the software on the scanner. The motor still hums. This 30 cents hose can cause the valve to stay closed, keeping water in the pump and eventually, corrosion to occur. I am posting the more popular ones relating to engine and trans. You need to be a member in order to leave a comment. Replacing the purge solenoid will clear code P1492 This should also clear code P0300 as well. Integration Services is based on Microsoft Distributed Transaction Coordinator (MSDTC). 1 Answer. So you should chech it on our car models. It's easy! A P1345 trouble code is an “enhanced” or “manufacturer-specific” code and may not be read by code readers or scan tools that read only generic OBDII trouble codes. mean. The suspension control defaults to firm. DTC's, or Diagnostic Trouble Codes, are used by automobile manufacturers to diagnose problems related to the vehicle. go to the link below, type in the code and the difinition of that code comes up in a list as defined by each car maker. Favorite Answer. Relevance. If the MIL is on and no DTCs are indicated in the PGM-FI system, select the A/T system, and check for automatic transmission DTCs. HomeHonda Honda Select Your Honda's Diagnostic Trouble Code Body Codes. Conditions for Clearing the DTC Conditions for DTC are not currently present. mean, How to fix code p1421 on 2010 Nissan versa, I have a dtc code p1421 on my 2006 suzuki xl7 and, Nissan MICRA K12 DTC P1805 Brake Switch without EURO OBD. By List: DTC C0323 T-Case Lock Circuit Low DTC C0324 … Check and clean the MAP sensor, or replace. However manufacturer may have a different definition for the P1634 OBD-II Diagnostic Powertrain (P) Trouble Code. 18" Octavia Gemini Wheel - singles, £100 each, Anthrasite Sirius 19" Skoda Superb alloys, Skoda Octavia Scout 2016 (66) 4X4 Manual 44600 miles. SOURCE: what is input pulley speed of nissan altima. For example, if a DTC reports a sensor fault, replacement of the sensor is unlikely to resolve the underlying problem. I can look up any code instead of calling the dealer. P0102 has to do with your MAF, which is the sensor that is in the intake tube. Please refer to vehicle service manual!" Not getting power to key chip reader. Use the PGM Tester to check the vehicle's freeze data or snapshot data to see when the DTC was set. - Lack of intake air volume (blocked air filter), Code P1421 is clogged or dirty Catalyst (muffler), p1421 is a code stored for cold start control. By controlling timing, the ECM can fire up the cat converter sooner. So you should chech it on our car models. I went straight to a parts store to locate a code reader and it read "P1137, No DTC Definition found. The module receives a clear code command from the scan tool. The scanner may not have definitions for every DTC. These manual can be found on line or bought. Found the Electric Valve Switch leaking vacuum. The service manual contains diagnostic routines for every code that the vehicle can set. I suspect that the scanner is not up to date s/w wise. Select [DTC Lookup] in the Main Menu and press [OK], the screen will display the interface as shown below: Press [ ] to alter the value. I bought another identical scanner which arrived today. Or, it could also be a leak in the output hose or a vacuum hose to the valves. There are a few extra things to factor into your research planningif you’re dealing with emotionally sensitive subjects or working with vulnerable participants. Welcome to BRISKODA. Disconnect the 2P VTEC pressure switch connector, and jump its two wires. Parts or components should not be replaced with reference to only a P26B7 DTC. ... Mitsubishi Motors, and Chrysler Corporation. Get our massive fault code definition library on your own PC!