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My truck emerge the DTC 97 EDU CIRCUIT [of] what having to me [do/conduct]??

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Chevy traverse 2010 air conditioning button blinks then shuts off. What could be causing this??


Have it checked for DTC'S -diagnostic trouble codes . That will tell you what's up . Dealer or someother qualified repair shop .
DTC P0532: Air Conditioning A/C Refrigerant Pressure Sensor Circuit Low Voltage
DTC P0533: Air Conditioning A/C Refrigerant Pressure Sensor Circuit High Voltage
DTC P0645: A/C Clutch Relay Control Circuit
Circuit System Description
When the A/C switch is pressed, the HVAC control module sends a serial data message to the ECM. This input will request the engine control module (ECM) to ground the A/C compressor clutch relay control circuit, which will switch the A/C CMPRSR CLUTCH relay on. With the relay contacts closed, battery voltage is supplied to the A/C compressor clutch assembly.

DTC B0228 02 : Recirculate Position Feedback Circuit Short to Ground
DTC B0228 05 : Recirculate Position Feedback Circuit Short to Battery or Open
DTC B0228 61 : Recirculate Position Circuit Actuator Stuck
DTC B0413 02 : Temperature Control 1 Feedback Circuit Short to Ground
DTC B0413 05 : Temperature Control 1 Feedback Circuit Short to Battery or Open
DTC B0413 61 : Temperature Control 1 Feedback Circuit Actuator Stuck Open
DTC B0423 02 : Temperature Control 2 Feedback Circuit Short to Ground
DTC B0423 05 : Temperature Control 2 Feedback Circuit Short to Battery or Open
DTC B0423 61 : Temperature Control 2 Circuit Actuator Stuck

Jun 28, 2017 | Cars & Trucks

1 Answer

Service 4x4 light is on...2000 gmc jimmy...replaced the switch on dash but nothing works..what is my next step to fix issue?


Two speed automatic or is it two speed selectable ? Either case the first thing would be have it check for DTC'S - diagnostic trouble codes . Both are computer controlled .
DTC B2725 ATC Mode Switch Circuit Malfunction
DTC C0300 Rear Speed Sensor Malfunction
DTC C0305 Front Speed Sensor Malfunction
DTC C0308 Motor A/B Circuit Low
DTC C0309 Motor A/B Circuit High
DTC C0310 Motor A/B Circuit Open
DTC C0315 Motor Ground Circuit Open
DTC C0323 T-Case Lock Circuit Low
DTC C0324 T-Case Lock Circuit High
DTC C0327 Encoder Circuit Malfunction
DTC C0362 4LO Discrete Output Circuit High
DTC C0367 Front Axle Control Circuit High
DTC C0374 General System Malfunction
DTC C0376 Front/Rear Shaft Speed Mismatch
DTC C0387 Unable to Perform Shift
DTC C0550 ECU Malfunction
DTC C0611 VIN Information Error

This for the two speed selectable
The transfer case shift control module normally has battery voltage supplied to it at all times through the battery positive voltage circuit (CKT 40). When the ignition is ON, the transfer case shift control module conducts a self-test to determine if it retains the same memory it had when the ignition was last turned OFF. This self-test indicates whether the RAM standby power supply to the transfer case shift control module pin C6 was interrupted, which would result in clearing DTC's from memory. If the self-test fails the transfer case shift control module sets DTC 1.

You can check codes without a scan tool on this two speed selectable system . Do you know what the DLC is ? Under the steering wheel , connector to plug a scan tool into ?
Important: Check the transfer case shift control module for DTCs. The transfer case shift control module is not a class 2 device. DTCs are displayed on the transfer case shift control switch. Use the following four steps to obtain DTCs.
Turn OFF the ignition for 10 seconds.
Connect PIN 13 on the data link cable (DLC) to a ground. The DLC is located in the cab under the instrument panel on the driver's side.
Turn ON the ignition, with the engine OFF.
Observe the transfer case shift control switch select buttons for flashing codes.
DTC 001
DTC 002
DTC 003
DTC 004

Dec 30, 2016 | GMC Cars & Trucks

1 Answer

1997 buick lesabre code po1870


P1870 ! not P01870
DTC P1870 Transmission Component Slipping (Buick Built Before 6/17/97)
DTC P1870 Transmission Component Slipping (All Other Applications)
Circuit Description
The Powertrain Control Module (PCM) monitors the Torque Converter Clutch (TCC) slip by calculating the difference between the engine speed and the transmission output shaft speed.
If the PCM detects an excessive amount of slip when the TCC is engaged, then DTC P1870 sets. DTC P1870 is a type B DTC.

Feb 18, 2016 | Buick Cars & Trucks

1 Answer

Push button for four wheel drive isn't working


Do you have any lights on the dash lit ?
SERVICE indicator (4WD/AWD) Lamp
The SERVICE indicator (4WD/AWD) lamp is an integral part of the cluster and cannot be serviced separately. This lamp is used to inform the driver of the vehicle of malfunctions within the automatic transfer case (ATC) system. The SERVICE indicator (4WD/AWD) lamp is controlled by the transfer case shift control module via CKT 1567. this system will set DTC'S if there is a problem .
Diagnostic Trouble Codes DTC B2725 ATC Mode Switch Circuit Malfunction DTC C0300 Rear Speed Sensor Malfunction DTC C0305 Front Speed Sensor Malfunction DTC C0308 Motor A/B Circuit Low DTC C0309 Motor A/B Circuit High DTC C0310 Motor A/B Circuit Open DTC C0315 Motor Ground Circuit Open DTC C0323 T-Case Lock Circuit Low DTC C0324 T-Case Lock Circuit High DTC C0327 Encoder Circuit Malfunction DTC C0367 Front Axle Control Circuit High DTC C0374 General System Malfunction DTC C0376 Front/Rear Shaft Speed Mismatch DTC C0387 Unable to Perform Shift DTC C0550 ECU Malfunction DTC C0611 VIN Information Error you probably should take this to a repair shop !

This tt

Feb 22, 2015 | 1999 Chevrolet Silverado 1500

1 Answer

05 trailblazer 4.2 Multiple codes Po106, po305, po463, po128, po856 Co298,c0237,c0265,c0245,246, c0241,c0242, c0251,52,c0247,co243 WTF could all this mean


Hi Candice, .How does it run ? P0305 is a misfire code for cylinder #5, P0106 The manifold absolute pressure (MAP) sensor responds to pressure changes in the intake manifold. The pressure changes occur based on the engine load. The MAP sensor has the following circuits:
5-volt reference circuit
• Low reference circuit
• MAP sensor signal circuit
DTC P0128 Engine Coolant Temperature (ECT) Below Thermostat Regulating Temperature
C0237
The EBCM detects an erratic rear wheel speed signal for 105 milliseconds.
DTC C0265 EBCM Motor Relay Circuit
C0265
Thoroughly inspect connections and circuitry that may cause an intermittent malfunction.
• DTC C0241 EBCM Control Valve Circuit
• DTC C0242 EBCM Control Valve Circuit
• DTC C0243 EBCM Control Valve Circuit
• DTC C0244 EBCM Control Valve Circuit
• DTC C0245 EBCM Control Valve Circuit
• DTC C0246 EBCM Control Valve Circuit
• DTC C0247 EBCM Control Valve Circuit
• DTC C0248 EBCM Control Valve Circuit
• DTC C0251 EBCM Control Valve Circuit
• DTC C0252 EBCM Control Valve Circuit
• DTC C0253 EBCM Control Valve Circuit
Sure looks like the ( EBCM ) Electronic Brake Control Module needs to be replaced .All these codes mean The EBCM detects an internal malfunction. Is the abs light on ?

Jan 06, 2015 | Cars & Trucks

1 Answer

What is service engine light code 12 mean



READING CODES USING MIL (CHECK ENGINE) LAMP

Be advised that the MIL or CHECK ENGINE light can only perform a limited number of functions and it is a good idea to have the system checked with a scan tool to double check the circuit function.

  1. Within a period of 5 seconds, cycle the ignition key ON - OFF - ON - OFF - ON .
  2. Count the number of times the MIL (check engine lamp) on the instrument panel flashes on and off.

The number of flashes represents the trouble code. There is a short pause between the flashes representing the 1st and 2nd digits of the code. Longer pauses are used to separate individual 2-digit trouble codes.
An example of a flashed DTC is as follows:


Lamp flashes 4 times, pauses, then flashes 6 more times. This denotes a DTC number 46. Lamp flashes 5 times, pauses, then flashes 5 more times. This indicates a DTC number 55. DTC 55 will always be the last code to be displayed.


0900c1528007935b.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 2: Diagnostic trouble code chart (1 of 2)-1995-97 engines


0900c1528007935c.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 3: Diagnostic trouble code chart (2 of 2)-1995-97 2.0L engines

Jul 26, 2012 | 1995 Dodge Neon

1 Answer

P0118 97 honda


Check this diagnostic test about DTC P0118 - ECT Sensor Circuit High Voltage

Test Links: Honda_Manual/A00/HTML/98/SA.HTML

Hope this helps.

Oct 06, 2011 | 1997 Honda Prelude

1 Answer

I have a 97 Chevy blazer with push button 4 wheel drive and it don't shift In to 4 low or 4 hi and the light should flash for 30 second then go back to 2 hi if it can't shift but when you push the button...


How about to the switch , is there battery power ? Fuse #15 FWD 10amp. I/P fuse panel . BCM - body control module light's the switch indicators 2hi, 4hi,4low . Check fuse #6 10amp I/P fuse panel .
DTC 002
The transfer case encoder motor is an assembly which houses four separate channels. These channels are used to indicate to the transfer case shift control module the present gear position of the transfer case or if the transfer case is in transition between gears. The encoder motor assembly consists of an electronically conductive inner ground ring in contact with a three legged wiper arm. Each leg's length is such that it makes contact with the conductive regions of the four channels. When any leg of the wiper arm is making contact with the conductive area of any channel, the encoder provides a path to ground to the inner ground ring.
During electronic shifting, the transfer case shift control module monitors the transfer case encoder circuit for the proper operating sequence. If at any time during a shift, the encoder changes from one position to any position other than the next possible position, an error counter in the transfer case shift control module increments by four. After the counter reaches 32, the transfer case shift control module set a DTC 2, a permanent "encoder fault," and reverts to a 2HI to 4LO or a 4LO to 2HI shift pattern only. To guard against a transient, random encoder fault due to vibration, dirt, electrical noise, etc., the fault counter reduces by one each time the transfer case shift control module detects a valid encoder value. The encoder must intermittently fail 25 percent of the time for the transfer case shift control module to consider it faulty and store DTC 2.

Test Description
The numbers below refer to the step numbers on the diagnostic table.
This step measures the voltage between the transfer case encoder circuit channels P, A, B, and C to ground.
This step tests the suspect circuit(s) for an open, short to power, or short to ground.
This step tests the encoder signal ground circuit for an open or high resistance.
DTC 2 -- Encoder Fault Step
Action
Value(s)
Yes
No
Schematic Reference: Transfer Case Control Schematics
1
Important: Check the transfer case shift control module for DTCs. The transfer case shift control module is not a class 2 device. DTCs are displayed on the transfer case shift control switch. Use the following four steps to obtain DTCs.
Turn OFF the ignition for 10 seconds.
Connect PIN 13 on the data link cable (DLC) to a ground. The DLC is located in the cab under the instrument panel on the driver's side.
Turn ON the ignition, with the engine OFF.
Observe the transfer case shift control switch select buttons for flashing codes.
Did you perform the Diagnostic System Check - Transfer Case?
--
YES - Go to Step 2
NO - Go to Diagnostic System Check
2
Disconnect the connector at the encoder motor.
Turn ON the ignition, with the engine OFF.
Measure the voltage between the transfer case encoder circuit channels P, A, B, and C to ground.
Does the voltage measure near the specified value?
4.8-5.1 V
YES - Go to Step 4
NO --Go to Step 3
3
Test the suspect circuit for an open, short to power, or short to ground. Refer to General Electrical Diagnosis and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
--
YES - Go to Step 8
NO - Go to Step 7
4
Turn the ignition switch OFF.
Test the encoder signal ground circuit for an open or high resistance. Refer to General Electrical Diagnosis and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
--
YES - Go to Step 8
NO - Go to Step 5
5
With a DMM at the transfer case module connector probe the encoder sign ground pin and ensure a good ground path through the module.
Did the DMM indicate a good ground path?
--
YES - Go to Step 6
NO - Go to Step 7
6
Replace the transfer case encoder motor. Refer to Motor/Encoder Replacement .
YES - Did you complete the replacement?
--
NO - Go to Step 8
--
7
Replace the transfer case shift control module. Refer to Transfer Case Shift Control Module Replacement .
YES - Did you complete the replacement?
--
NO - Go to Step 8
--
8
Clear all DTCs from memory. Refer to Diagnostic Trouble Code (DTC) Clearing .
Operate the vehicle while pressing each of the buttons on the transfer case shift control switch.
Does the DTC reset?
--
YES - Go to Step 2
NO - System OK

Aug 29, 2017 | 1997 Chevrolet Blazer

3 Answers

HAVE 4 DTC'S.DO I HAVE TO REPLACE SENSORS


If you will ask ther others mostly on car company they 'll sey replace . I guess you' ll just have to look at the wiring and repair the damage of the circuit . now the alternator check the rotor coil and the bushing . It looks like your car is made in different models you can replace the spare parts if it is not anymore working . but first try to do atemp on fixing them . since all the damage is only wirings try to use tester amplepier. this one is use for circuit problem . remember that black is for positive and red is for negative . if first check goes to the negatvi fix . and if the tester wont work on the circuit of the spare part replace the spare part.

Apr 11, 2009 | 1992 Dodge Caravan

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