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Questions tagged [dtc]

Diagnostic Trouble Code

21 questions with no upvoted or accepted answers
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BMW CAN bus data format

https://www.reddit.com/r/CANBus/comments/39pzpp/bmw_3series_2015_odometer_reading/ I am using the above website as reference and sending commands to engine ECU. I have a log from BMW engine ECU (below)...
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How to fix P0335 and P0727 error codes for Cadillac Catera 2000?

Make: Cadillac Model: Catera Engine: 3.0L Year: 2000 Error codes: P0335,P0727 Knowledge level: I know little about cars Help needed: Please help me find out what is going on and how to fix it.
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220 views

2006 Mazda MX-5 P0126 + B1318

2006 MX-5 57k Miles USDM 2.0L 6-Speed P0126 and B1318 Set but no light on/Sporadic illumination. Coolant reservoir is full. https://www.obd-codes.com/p0126 That site references that there's a TSB ...
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1k views

OBD request trouble code mode 3 and mode 7

I'm trying to get my own app on phone to read Trouble code in car... I see that i have 3 mode to do this... first is to use the mode 01 with command 01 (but this command is generic) or the mode 03 and ...
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172 views

trouble codes on a 1993 chevy silverado

when I hook my scanner up to view the check engine codes it says I have no power to my scanner. I tested all circuits and my fuses are all good. what could be my problem?
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P0101 and P2113 codes removal Kia Rio 2011

I have a KIA Rio Diesel car from 2011. With a diagnostic tool I have read the P0101 and P2113 DTC's: I had an old and problematic throttle body. I have replaced it with a completely new one and took ...
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25 views

Car jerking when engine warms up

Hey so my car drives great when the engine is cold, but once it warms up to 90 degrees it starts jerking a lot when pressing accelerator. I scanned the car and got codes: p0340(camshaft position ...
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1answer
91 views

How difficult is it to collect obd commands ?Will it be different for different brands?

OBD is something very interesting I found these days.Thanks to this repo https://github.com/pires/obd-java-api & wikipedia which provides the basic information of PIDs.But there is a lot of ...
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1answer
5k views

sudden extreme rough idle, no codes but several recent issues

I've suddenly had issues with my car, a 97 Maxima, over the last week. No issues at all before these events. First, last thursday a coil went bad which produced #2 cylinder misfire and ignition ...
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43 views

2003 jetta 2.0 was great until the fuel pump went out

Got the car for $800 needed pads and rotors all around. Only driven on weekends for a month and was great. The fuel pump went out I replaced with a rebuild and the sending line broke while putting it ...
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1answer
697 views

VAG TP 2.0 complete list of AT commands

I am trying to find DTCs from various ECUs in a Skoda Rapid 2009 model. I am using OBDLink SX (elm 327 chip) and Putty (similar to HyperTerminal) https://jazdw.net/tp20 This link gives the list of ...
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P0171 2014 Ford Fusion

2014 Ford Fusion with 2.0L Ecoboost. Car is displaying CEL with a code of P0171. At Idle in Closed Loop LTFT is at 29% STFT is around 0% Downstream O2 is steady at around 0.7 volts Not sure how to ...
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Meaning of DTC Code 4331 for Volvo EPS (Electrical Power Steering Module)

It's possible I am reading the scan tool wrong or it is investigating a module that does not exist. For a 2008 Volvo S40 I get the following: EPS - Electrical Power Steering Module 4331(1/1) Not ...
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40 views

2000 Honda Accord P1167 code

My Accord threw the P1167 code. I have changed out the 02 sensor. Code went away and then came back. I checked the ecu fuse it is not blown. What else could cause this code to stay on?
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Retrieving ABS codes from a 2001 toyota camry (Bosch system)

From what I found when I searched google is: "(For Denso systems - remove short pin from DLC) connect Tc with E1, Then turn ignition to on and the ABS light will flash the codes" I have a Bosch system ...
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18 views

Check Engine missing fault code: Missing really or not readable by odb reader?

I recently had a serious engine problem which caused the "check engine" light to go on and the engine can now not even be started. I checked the ODB dtc / fault codes in 2 ways: An undocumented "...
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47 views

Nissan Qashqai “Test Mode”: What does the data mean?

I learned about a "test mode" for the display, which can be used for diagnostics, without an obd reader. I managed to get inside the test mode, but I am baffled by the data and am not sure what it ...
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64 views

ELM327 — how to read parameters

I got the ELM327 adapter and downloaded the carscanner app. It really did help understand some problems my 2016 rav4 was having lately. But I'm not sure how to interpret some of the parameters, i.e ...
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3k views

Error stabilisation control- ESC and engine stopped and wouldn't start again

I drive a 2014 2,0 TDI 4w Passat and until now haven't had any problems with the vehicle. When I drove to work on Friday the vehicle suddenly stoppen in a roundabout and wouldn't start again. Check ...
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1answer
211 views

Not receiving multi line response ELM 327

I am sending the following commands to my Hyundai i20 2012 model (OBDLink SX Bluetooth device): AT Z AT H1 AT L1 AT S1 AT AL AT SP6 AT SH 7D1 18 00 FF 00 The response I am getting is 7D9 10 0B 58 03 ...
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57 views

What is code p2647 for 2000 camaro z28

I have code P2647 on a 2000 Camaro Z28. What is this code and what is the fix for this code? The engine is making a loud lifter noise when starting.