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PO134 DTC code for 2003 Trailblazer - TrailBlazer EXT Chevrolet Cars & Trucks

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Posted on Jan 02, 2017

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SOURCE: OBD/DTC '03 Dodge Grand Caravan 3.3L A604 Trans.

P0134 - bad O2 sensor, faulty wiring, blown heater circuit fuse, holes in exhaust, failed PCM

P1684 - Battery Disconnected Within Last 50 Starts

Posted on Sep 11, 2009

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SOURCE: changed all four o2 sensors

you have a intake leak.

Posted on Feb 15, 2011

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Abslight stays on. How to fix? This is a2007trailblazer?


First you need to have EBCM - electronic brake control module check for DTC'S - diagnostic trouble code's . If the light is on there is a code stored . I think most part stores can do this and for free . After you find out what code is stored , looking up that code in service repair information for diagnostic trouble shooting chart would be next step . There are a few codes too.
DTC C0035 or C0040
DTC C0045 or C0050
DTC C0110
DTC C0131
DTC C0161
DTC C0186
DTC C0196
DTC C0201
DTC C0240
DTC C0241 or P0856
DTC C0244 or P1689
DTC C0245
DTC C0283
DTC C0287
DTC C0290 or C0292
DTC C0455
DTC C0550
DTC C0558

Find the code do the diagnostic's , fix the problem , wiring issue's , a sensor , bad module ,what ever it is . The light will go out then . Here is a sample of code discription .
• DTC C0035 Left Front Wheel Speed Sensor Circuit
• DTC C0040 Right Front Wheel Speed Sensor Circuit

Dec 30, 2016 | 2007 Chevrolet Trailblazer

1 Answer

P0014 Diagnostic code, already replaced camshaft actuator & oil twice


code p0014 - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum

forums.trailvoy.com > ... > OEM Issues

Sep 8, 2007 - 11 posts - ‎8 authors
On my Trailblazer I have a code P0014 . this says Camshaft Position Actuator B ... If the desired and actual cam phase angle error exceeds its ... This diagnostic procedure supports the following DTC: ... replace the camshaft actuator solenoid, change the engine oil and filter, ... 2004 Chevy TrailBlazer LT P0014 - Camshaft Position Actuator Solenoid "Relearn"
11 posts
Dec 11, 2009
cam crank sensor mismatch
11 posts
Jul 4, 2009
More results from forums.trailvoy.com

Tech Code "dtc P0014" 2003 Trailblazer - Chevy S-10/Blazer ...

www.gm-trucks.com/.../72278-tech-code-dtc-p0014-2003-trailblazer/

Dec 31, 2007 - 14 posts - ‎6 authors
Tech Code "dtc P0014" 2003 Trailblazer - posted in Chevy ... it had been serviced before for the same thing in 2003 or 2004! ... replace the camshaft actuator solenoid, change the engine oil and .... The extended war. co. prob. would not be to happy since they already fixed the sensor once or twice already.

Replace a Camshaft Position Actuator Solenoid Valve on a ...

? 8:05
https://www.youtube.com/watch?v=4Dkdd287AKg

Jan 11, 2016 | 2004 GMC Canyon

2 Answers

03 Trailblazer..Windows go up by themselves..


Your best bet , take it to a qualified repair shop . There are no magical fixes for problems like this . The windows and locks are controlled by a control module ( electronics ) . Without testing using a scan tool an proper diagnostic procedures ,looking at wiring diagrams an testing electrical circuits with a DVOM -digital volt ohm meter .
I see this all the time at the dealer i work for , shorted wiring , BCM - body control modules , door modules , class 2 serial data network . You have no idea of the complexity of all this . Do you know what DTC'S are ? Diagnostic trouble codes !

DTC B1017 or B3970 (Passenger Door Module (PDM))

The Passenger Door Module (PDM), upon receipt of a Class 2 message or a direct lock or unlock switch input will supply battery positive voltage to the internal door lock and unlock relays control circuits.
DTC B1023
The switch that failed and generated this diagnostic trouble code (DTC) is part of the DDM or the PDM. When a switch is activated, the DDM/PDM then either actuates the appropriate component or sends a message over the serial data link to the appropriate module to actuate the appropriate component.
DTC B1550
DTC B1720
DTC B1721
DTC B1723
DTC B1724
DTC B3808
DTC B3809
DTC B3819
DTC B3820
DTC B3821
DTC B3822
DTC B3823
DTC B3824
Could be any number of thing's ,so if you don't want to replace a bunch of parts that are not needed ,do yourself a favor an take it an have it diagnosed at a qualified repair shop.
Door Locks Go Crazy 1
Door Locks Go Crazy 2
Door Locks Go Crazy 3


Aug 09, 2017 | 2003 Chevrolet TrailBlazer

1 Answer

How do you check 02 sensor, 02 htr codes on a 2004 2500hd silverado ?


You need OBDII scanner to reads the codes,will show the code po134.

Mar 14, 2013 | 2003 GMC Sonoma Extended Cab

1 Answer

The reduce engine light comes on at 50 mph what could the problem be


DTC P0120 P0220 P1516 P2135 these should be the problem codes.
2003-2006 Chevrolet Avalanche, Corvette, Express, Monte Carlo, Silverado, SSR, Suburban, Tahoe, Trailblazer. for reduced engine power. p0120 is throttle position sensor, ( tps ). p0220 is relates to tps, p1516 tps is out of range. p2135 is a throttle body code, the throttle body needs replaced. but before you do it replace tps first to see if it takes care of the other codes. have a good day !!

Feb 18, 2011 | 2003 Chevrolet TrailBlazer

1 Answer

OBD/DTC '03 Dodge Grand Caravan 3.3L A604 Trans. P1684---PO134 Trouble codes


P0134 - bad O2 sensor, faulty wiring, blown heater circuit fuse, holes in exhaust, failed PCM

P1684 - Battery Disconnected Within Last 50 Starts

Sep 11, 2009 | 2003 Dodge Caravan

1 Answer

2003 Trailblazer loses power, I am getting codes P1271 and P1271p/d


#PIT3138A: 02-05 Chevrolet, Buick, Oldsmobile and GMC Mid-Sized Utilities Reduced Power Light On and DTC P1680 P1221 and/or P1271 Stored in the PCM - kw fan clutch SES light power MIL 4.2 LL8 - (Nov 1, 2004) 
The following diagnosis might be helpful if the vehicle exhibits the symptom described in the PI.
Condition/Concern:
Reduced power light on and DTC P1680 P1221 and/or P1271 stored in the PCM 
Recommendation/Instructions:
Monitor the 5V reference to the Accelerator Pedal Position ( APP ) sensor, circuit 1274, using Peak Min/Max on a Fluke 87. Refer to Si document 1454678 for the 5V reference schematics. Command the fan clutch control "on" with the Tech 2 at 50%. If when commanding the fan clutch on, the 5V reverence spikes to battery voltage, the concern is the 5V reference shorted to battery voltage intermittently inside cooling fan clutch. Replace the fan clutch to repair this concern. 

Please follow this diagnosis process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed. If these steps do not resolve the condition, please contact GM TAC for further diagnostic assistance.
Models:
(02 - 05 Chevrolet Trailblazer and Trailblazer EXT) and (02 - 05 GMC Envoy, Envoy XL and Envoy XUV ) and (02 - 05 Buick Rainier) and (02 - 04 Oldsmobile Bravada) 

Jul 16, 2009 | 2003 Chevrolet TrailBlazer

1 Answer

THE OIL PRESSURE GAUGE DROP TO ZERO AND RISE AGAIN WHEN STOP AT R


po134 o2 sensor no activity bank 1 sen. 1 po130 o2 sensor bank 1 sen1

Jun 14, 2009 | 2004 Chevrolet TrailBlazer

2 Answers

2002 Chevy Trailblazer w/101,000 mi has the P0440 OBD II Code. Just replaced the plugs with Iridiums @ 100K, all connections are good and gas cap is seated properly . . . help!!!


i have 2003 trailblazer ltz 153 000 mileage i have code po440 .i changed gas cap and turned off the chech engine light... i made 300 miles and it was good and today morning i drove a mile and light turned on ..... what do i have to fix ...thanks

Mar 22, 2009 | 2003 Chevrolet TrailBlazer

1 Answer

U1000


it is a communication error with the ecm from the ignition switch here is the code description

GM Number U1000

Type Network - Manufacturer Controlled DTC - Manufacturer Controlled

Description Class 2 Communication Malfunction Conditions
Cause
DTC B1327, U1300, U1301 and U1305 not current (any particular device on the Class 2 serial data circuit will support some subset of these codes), the ignition switch position requires serial data communication to occur, then at least one operating parameter has not been associated with an identification number within 5 seconds after beginning serial data communication (a default value is used)

Oct 29, 2008 | 2003 Chevrolet TrailBlazer

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