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Diagnostics codes c121c

Can you tell me what this code means, how to fix it and approximate cost?

Posted by Anonymous on

4 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

dsacco86
  • 1077 Answers

SOURCE: what is code 1494 mean for 2001 dodge neon

P1494 Leak Detection Pump Switch or Mechanical Fault
Part of the early evaporative emission system. (Fuel tank fumes)

It’s there to allow the computer to run an integrity test of the fuel tank, lines and carbon canister’s ability to contain all of the fumes coming from the tank and all line associated with the system.
The code could be set for a number of reasons such as a faulty gas cap, cracked vacuum lines, solenoids & vent valves stuck to the pump itself.
It can be a very difficult fault to cure being it doesn’t take a very big leak anywhere in the system to set the code and that’s if it’s a leak and not an electrical or mechanical fault.

Posted on Apr 11, 2009

  • 178 Answers

SOURCE: engine diagnostic code 204

204 injector 4 circuit malfunction 304 cylinder 4 misfire detected if there is power to the injector most likely the injector is bad.

Posted on Jul 31, 2010

Testimonial: "probably helpful, but the second code was 403 not 304"

airjer995
  • 5332 Answers

SOURCE: how much will it cost to fix codes po551, po442, and po455. I am having these problems in my 2001 dodge durango

two of the codes are EVAP codes. The cost of the repair could be $20 or it could be up to $1200 dollars or more. It just depends on what they find. It could be as simple as a cracked hose or it could be something a little more sever like a NVLD pump or a charcoal canister.

The P0551 is a power steering switch code, i think.

Posted on Mar 09, 2012

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1 Answer

Engine light on fault code c121c


Hi,me again,this is the code I found for, c121c
it says,( torque request signal denied )
I hope this was more helpfull,again all the best.

Sep 16, 2015 | 2009 Dodge Caliber

1 Answer

2003 galant de is stuck in limp mode,it also has reverse..it was hooked to a scan tool and it came up the solenoid but they were replaced,after the transmission was reinstalled the check engine light


This is what I got for you:
READING DIAGNOSTIC CODES:
1. Connect an analog Voltmeter to the ground and the transmission self diagnosis output pin of the diagnostic connector.
2. Set the ignition switch to "ON".
3. Note the pattern of pulses displayed on the Voltmeter. If the Voltmeter indicates a steady Voltage (either 0 Volts or 12 Volts) the TCU has failed.
4. Refer to the diagnostic codes chart to determine which device is causing the malfunction code.
5. Test and repair the offending components as necessary.
6. Clear the malfunction codes by disconnecting the vehicle battery negative terminal for ten seconds or longer.
7. Road test the vehicle and recheck for newly stored diagnostic codes.
8. After the cause of a failure code has been detected and corrected the diagnostic code memory of the TCU should be cleared by disconnecting the vehicle battery for 10 seconds or more. DIAGNOSTIC CODE INTERPRETATION The Transmission Control Unit monitors operation of the transmission control system. Some components are monitored continuously, others only during specified operating conditions. When the TCU detects a malfunction lasting longer than a specified period of time the TCU will generate an error code that can be detected at the diagnostic connector. If multiple malfunctions occur the diagnostic codes will be sent sequentially beginning with the lowest number code in ascending order with a 2 second pause between each code. A maximum of up to 10 fault codes can be stored in the control unit's memory and the same fault code can be stored as many as three times. If the number of stored codes exceeds 10, previously stored codes will be erased, beginning with the oldest code. The Voltmeter needle will deflect for a particular duration and a certain number of times.
FOR EXAMPLE:
Code 13
The needle will deflect one time for approximately 0.5 second. This will represent one unit of ten. There will be approximately a one second delay and then the needle will deflect three times for approximately 0.2 seconds with 0.1 second delay between deflections. This will represent three units of one.
Code 23
The needle will deflect two times for approximately 0.5 second with approximately 0.3 second delay between deflections. This will represent two units of ten. There will be approximately a one second delay and then the needle will deflect three times for approximately 0.2 seconds with 0.1 second delay between deflections. This will represent three units of one.
If the fail safe system is activated and the trans axle is locked in 3rd gear, a fault code from the fail safe code chart will be stored. Cancellation will occur if, with the trans-axle locked in 3rd gear, the ignition key is turned to the OFF position, the code is stored until cleared. SRSONE.............

Feb 17, 2015 | 2003 Mitsubishi Galant

1 Answer

What does c121c mean?


C121C- Torque request signal denied....Do you have any drivability symptoms or other codes? Camshaft sensor failures are common on this engine.

Aug 19, 2014 | 2008 Jeep Patriot

1 Answer

Engine light code c121c ?


Will code c121c case your car to just stop while driving.

May 01, 2014 | 2007 Dodge Charger SRT8 Sedan

1 Answer

Code c121c


C121C - Torque Request Denied.

Oct 17, 2013 | Dodge Cars & Trucks

1 Answer

87 fiero gt code 12


Code 12 doesn't need fixed. When you begin to test codes you will get the code 12 but that is just telling you that it is in diagnostic mode, it will flash the code 12 three times, then after that it will flash all stored trouble codes. After all stored trouble codes have been displayed, the ECM will repeat the process( so getting code 12 again means you have reached the end of the stored codes list) If it displays code 12 three times and then displays code 12 again , it means you have no problem codes.

Aug 29, 2012 | 1987 Pontiac Fiero

4 Answers

The engine light is on i dont know what it means i checked the oil trans and i dont know what eles


I'd go to an auto parts store that will check for any diagnostic codes free of charge (autozone and advance auto both do) and if you have any codes, list them here and I can tell you their definitions and the most common solutions to fix them in detail if needed

Nov 29, 2010 | 2000 Dodge Caravan

2 Answers

2006 Equinox, T/C light and ABS light on What


The TC and ABS light comes on when on of the 4 wheel motion sensors located behind the drums in the back and behind the rotors in the front are malfunctioning. A diagnostic should tell you which one it is because you have 4 in total. They cost approximately $80 each CAN funds.

Nov 07, 2009 | 2006 Chevrolet Equinox

1 Answer

Po711 code


This DTC code is set when the ATF temperature output voltage is lower than a value generated by thermistor resistance, in a normal operating range, for approximately 1 second or longer. The TCM regards the ATF temperature as fixed at a value of 80 °C(176°F). Solution: Eliminate wiring as the cause. Once you've done that, Recommend you replace the sensor. Otherwise, take the vehicle in to a Hyundai Shop and pay the diagnostic fee. They'll tell you what the problem is and the cost to repair it (parts, labor, & tax).

May 27, 2009 | 2001 Hyundai Elantra

1 Answer

I NEED TO KNOW WHAT CODE P1518 MEANS. I FAILED MY EMISSIONS TEST, AND THAT WAS THE CODE THAT IT GAVE. THE DEALERSHIPS WON'T TELL ME WHAT IT IS WITHOUT ME TAKING IT THERE & PAYING.


Just a suggestion. Take it to your local Advance Auto Parts store.They will give you a FREE diagnostics test. They can tell you the problem, cost, and code meaning. I hope you the best.

Aug 04, 2008 | 2000 Ford Windstar

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