Questions tagged [dtc]

Diagnostic Trouble Code

Filter by
Sorted by
Tagged with
1 vote
1 answer
53 views

"Post Catalyst Sensor Open Test" meaning

('07 Cobalt LS, 2.2L Ecotec) In this car's 'mode 6' OBD2 data, there is a GM-defined item, "Post Catalyst Sensor Open Test" (Test ID 8A). This page shows it as a count. My scan tool also ...
0 votes
1 answer
39 views

If repairs are made to fix Nissan DTC codes, will they still appear in the computer?

I have some codes on my 2019 Nissan Altima indicating a problem with the forward sensor. I was told it was fixed but the codes are still there. How can I tell if this problem existed before I bought ...
1 vote
1 answer
412 views

Hoping to get rid of "no message" CAN error that even BMW engineers in Munich cannot/will not solve

I have one persistent info error remaining on my BMW F30 that my OCD won't let go. BMW also threw in the towel on this as described in this NHTSA bulletin: https://static.nhtsa.gov/odi/tsbs/2013/MC-...
0 votes
1 answer
9k 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 ...
0 votes
1 answer
304 views

Can anyone provide documentation for the 2011 chevy cruze eco grill shutters?

I'm trying to understand how they work and where the motor is since I am unable to get the plastic off the bottom of the grill to access them directly. Mine seem to move if I slowly torque them ...
1 vote
1 answer
218 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 ...
0 votes
0 answers
11 views

Transmission error codes

Would overfilled transmission fluid cause the engine to surge and trigger codes P0700 and P0720? When the codes are triggered, it seems as though the transmission is stuck in 3rd gear causing the rpm’...
0 votes
0 answers
52 views

Nissan Sentra 2010 MIL flashing unintelligible code

I have a Nissan Sentra 2010, and I love that it can inform the engine codes by blinking the CEL (after getting into the maintenance mode, by stepping on the gas 5 times etc etc etc). What I don't like ...
0 votes
0 answers
64 views

EPC light, no throttle, P2101 code

I've had an issue past few months where the EPC light turns on suddenly when I start the engine with code P2101. The throttle works but only up to 2k RPM and the car seems to be in some form of lim ...
0 votes
1 answer
406 views

Do fault codes get recorded and stored with a time stamp and date into a master log with a history of DTCs?

I am shocked that I have not been able to find a "master list" of all DTC fault codes that have ever been pulled or pinged on my vehicle. Code P17F0 came up a year ago at a dealership where ...
2 votes
1 answer
121 views

Confusing DTC terminology?

I've noticed that many trouble codes use similar wording for the same problem and can't really distinguish between them, for instance. P0105 Manifold Abs.Pressure or Bar.Pressure Voltage supply P0106 ...
1 vote
0 answers
745 views

Trouble shooting abs/esp light on Peugeot 308

I have just replaced the rear discs on a Peugeot 308 hatchback, 2010 model. After this, the abs and esp fault warnings were displayed on the console, and abs/esp lights came on. Plugging in an OBD ...
0 votes
1 answer
428 views

Test is inhibited by other DTC?

I'm going through the process of troubleshooting an abs light and DTC code C1326 on a Peugeot 308 1.6l 2010 model. The DTC message I am getting from the scanner reads C1326 - Status: Test is inhibited ...
1 vote
1 answer
2k views

Do fault codes get recorded with a date stamp into a log with a history of DTCs?

If it's relevant, I'm asking this question about a 2006 Lexus GS300. A previous post asked if a fault code leaves a time stamp, and the answer was "no." I want to know if fault codes have a ...
0 votes
0 answers
75 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.
0 votes
0 answers
266 views

2000 Honda Accord P1167 code [duplicate]

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?
3 votes
1 answer
2k views

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)...
2 votes
0 answers
3k 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 ...
9 votes
3 answers
5k views

1999 Subaru Forester - bad acceleration, rough shifting

I have a 1999 Subaru Forester with an automatic transmission and a 2.5 Liter Motor. It has poor acceleration and rough shifting I started to notice 'hesitation' on take off. It just slowly appeared....
0 votes
1 answer
385 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 ...
2 votes
3 answers
16k views

Classifying a DTC as active, past or potential

Scantools always classify a DTC as active/current, history/past, potential/memory. How do they classify that? Sample raw data: 80 F1 5A 05 58 01 C1 00 20 0A Can you help classify it as past, ...
0 votes
0 answers
70 views

Airbags set off while car being serviced

Took a 2015 Mitsubishi RVR (Outlander) AWD into a mechanic to have the Airbag Service warning looked at- car had been jump started from a dead battery and the Service warning was flashing. Somehow ...
0 votes
0 answers
568 views

Fault Code - No Powertrain DTC's or Freeze Frame Data

I have a 2013 Dodge Dart that is showing a fault code - no powertrain DTC's or freeze frame data is presently stored in vehicle. How can I get this fault code reset so my check engine light goes off?
4 votes
2 answers
13k views

Can lack of oil cause P0300 Random Misfire?

I get OBD code P0300 Random Misfire (and no other error codes) on a very poorly maintained car. I changed the valve cover (whose spark plug well gaskets were degraded) and spark plugs, but the engine ...
6 votes
2 answers
12k views

Where exactly is the Check Engine Light connector on a 1997 Honda Honda Civic?

The check engine light on my 1997 Honda Civic lit up. I came across a method for troubleshooting (http://honda-tech.com/showthread.php?t=1901557) but I'm having trouble finding the connector. Can ...
2 votes
1 answer
490 views

help me understand Dodge code p0430

2004 Dodge Ram 1500 4.7 had a bank 1 sensor 1 code come on so I changed that sensor along w/plugs and coils, then drove about 2 miles truck started missing little. Code now reads P0430 and seems ...
3 votes
1 answer
12k views

VW Golf 6 2010 error code P2455

While driving, I heard a beeping sound from dashboard. When I looked at it, it showed "glow plug icon," it blinked 3 time and on the screen it said something like "Engine Fault - Workshop". Then I ...
0 votes
2 answers
366 views

If the check engine light is off does than mean your car is fine?

I been get heavy into the scanning tools lately on my Ford van (98 e150 5.4). Anyhow... I'm layin into it deep like all these readins of temperatures and such. For example, I see "head cylinder ...
0 votes
0 answers
248 views

Which DLC terminals are known as DLC bias terminals (or should it be DLC Bus terminals)

This is related to Test 5 of this question: OBD II Scanner refuses to communicate with the vehicle! Funny that I should be asking this but then .....it happens Unfortunately, I cannot remember. I'd ...
4 votes
1 answer
4k views

Hyundai Santa Fe 2004 3.5L Random Misfire hesitates when accelerating

I have a 2004 Hyundai Santa Fe 3.5L V6. When I was driving a couple of days ago the check engine light flashed and after a while it stayed on. The codes are P0300 which is a random misfire as well ...
3 votes
4 answers
55k views

How to fix P1167 in a 2001 Honda Accord, with a F23A4 engine

I used to have both P1166 and P1167 error codes on my 2001 Honda Accord (F23A4 engine). I fixed the P1166 by replacing the O2 sensor. For about a day, everything looked wonderful (i.e. no check ...
0 votes
0 answers
40 views

Engine Scanner: is this a Rich Condition?

2013 Accent 1.6 GDI 255K miles. 20K ago I replaced converter. Within that time I've replaced plugs, coils, cam and crank sensors, O2 and AF (Lamba) sensors. I'm getting an intermittent 420 code and ...
0 votes
0 answers
303 views

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 ...
0 votes
0 answers
162 views

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 ...
0 votes
1 answer
680 views

Can you see what version of ELM327 an OBD2 diagnostic scan tool/fault code reader supports?

According to https://en.wikipedia.org/wiki/ELM327#Other_Versions there is a handful of different versions of ELM327. If you buy a non-genuine ELM327-device (that is, something that is compatible with ...
1 vote
0 answers
170 views

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 ...
0 votes
0 answers
799 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 ...
10 votes
3 answers
112k views

Do fault codes get recorded with a time stamp into a log with a history of DTCs?

Just scanned my vehicle for the first time to check out the code for a Check Engine Light. I grew curious if these fault codes get logged somewhere with a date and time stamp of some kind at the time ...
1 vote
2 answers
19k views

DTC checking while engine running

Why it is said that DTC (Diagnostic Trouble Code) should not be checked when the engine is running?
1 vote
0 answers
128 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 ...
0 votes
0 answers
6k 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 ...
3 votes
2 answers
122k views

Does the checkengine light clear itself on it's own or require manual clearning?

I was discussing the behavior a car's check-engine light. When a check-engine light comes on, can the check-engine light turn off on it's own or does the check-engine light always require manually ...
6 votes
2 answers
3k views

Decoding VW Airbag DTC from elm327

I am using PuTTY (similar to HyperTerminal) and elm 327 (OBD Link LX) on my VW Polo 2015 model to read Airbag DTCs. Command sent: AT SH 715 Received: OK Command sent: AT CRA 77F ...
1 vote
1 answer
1k 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 ...
3 votes
0 answers
130 views

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.
2 votes
0 answers
375 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 ...
3 votes
3 answers
298 views

Is hot desert weather the source of my recurring car problem?

I have a 2004 ford ranger with a short history of problems...the engine is v6 3.0L OHV. 1) It died 2 summers ago, stopped right in the road, around noon in the middle of July. I live in Tucson so it ...
0 votes
1 answer
362 views

2007 Dodge Charger 2.7L A/T - Limp Mode only on Heavy Throttle & Hanging in Gear

Back with an update. Trying to help out my neighbor here. 2007 Charger with a 2.7L. 100k+ Miles on the body/transmission. "If I drive very carefully I can get it up to highway speed. If I romp on it,...
13 votes
3 answers
39k views

2005 Dodge Ram: Easy way to diagnose code P0420?

My truck is reporting a code P0420, which apparently is "Catalyst System Efficiency Below Threshold (Bank 1)" which can either be the catalytic converter or the rear O2 sensor. The code came on at ...
3 votes
1 answer
231 views

Diagnosing silent misfires

2003 Honda Civic EX (~230,000 miles) has been giving me misfire codes for a while, mostly on cylinders 2 & 3, but sometimes 4. P0300 Random cylinder P0302 Cylinder 2 P0303 Cylinder 3 P0304 ...