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P1707, P2122, P2127 in Hyndai 2004, XG350

Car not moving more than 10 mph

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SOURCE: korean chevy problem

need to diagnose the BCM for codes ,too. the car with a lock signal indicates a security system fault. that would explain the dying after 3 seconds because the ecm has turned the fuel injectors off.

Posted on Jun 12, 2012

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SOURCE: Check engine light is on, reduced power displayed on dash, code P2122 and code P2127 comes up

its a problem with the pedal and throttle position corilation

Posted on Jul 09, 2012

Testimonial: "Thanks, I replaced the throttle positioning sensor (had to buy a whole new gas pedal as the sensor is in the pedal. Pretty easy fix, two 10 mm bolts and used a small screw driver to release the wiring harness. Replaced in about 10 mins. "

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SOURCE: I have a 04 dodge Durango hemi 5.7. Error code

-Need to determine what these codes are before replacing parts.
-After replace, The CODE NEED to be Erase.
-Find these code in its repair manual. So you can pin point what is the problem.

mai Lor

Posted on Oct 08, 2013

Testimonial: "I checks all the codes. p0642 - Sensor a reference voltage circuit low p2122 - Throttle/pedal position sensor switch D circuit low input p2127 - Pedal position validation switch 2 low p2138 - Throttle/pedal position sensor switch D/E voltage correlation"

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2 Answers

Car not taking the gas,code p2122 and p2127


check your aps sensor,accelarator position sensor if its bad and make sure all connector and wire from this sensor to ecu is good,.

Mar 09, 2015 | 2004 Kia Amanti

1 Answer

What size fuse is next to the positive battery tremnal on a 2002 hyndai 350xgl


ONLY your owners manual has that info

We do not

Get it right-- if your changing parts

Why the problem,if a fuse fails-- better find out why,
not just replace it

Nov 24, 2014 | 2002 Hyundai XG350 L

1 Answer

Code p2122 & p2127 any solution?


The pedal position sensor is throwing a code. could be ECM may need to updated

Mar 18, 2014 | Honda Odyssey Cars & Trucks

1 Answer

I have a 04 dodge Durango hemi 5.7. Error code p0648- p2122- p2127- p2138. Car is idling at 10mpg. The dealer replaced the throttle body and recommended I pay them $900 bucks to replace the PCM, I replaced...


Chrysler has a service bulletin on these codes along with a software update. Contact the dealer that did the throttle body replace and ask if they did the software update. If not, have them do it. If that fixes the problem, have a little nose-to-nose discussion with the service manager about getting a partial refund on their initial diagnosis
TSB #18-029-04

Jul 07, 2017 | 2004 Dodge Durango

1 Answer

I have a 04 dodge Durango hemi 5.7. Error code p0648- p2122- p2127- p2138. Car is idling at 10mpg. The dealer replaced the throttle body and recommended I pay them $900 bucks to replace the PCM, I replaced...


-Need to determine what these codes are before replacing parts.
-After replace, The CODE NEED to be Erase.
-Find these code in its repair manual. So you can pin point what is the problem.

mai Lor

Oct 08, 2013 | 2004 Dodge Durango

1 Answer

Accelerator pedal position sensor


have the throtthle body cleaned and then decide if you need it replaced may be dirty

Oct 08, 2013 | 2004 Dodge Durango

1 Answer

Check engine lite is on, power lost lite is on. code p1276comes up. replaced throttle body, but no change. volts at vac fuse 14 both sides. will not accelerate over 1800 rpm's. 2004 trailblazer with 6cyl.


Your CODE P1276 refer to the Acelerator Pedal Position, Sensor 1 Circuit Range Performance.

Probable cause: Wiring, APP or ECM


GM - P1271 Accelerator Pedal Position Sensor 1-2 Correlation

I also found this... though its for Trailblazers... but may give you a clue:
Reduced Engine Power Message and/or Check Engine Light with any Combination of the following DTCs: P0107 P0112 P0122 P0452 P1120 P1220 P1221 P1271 P1275 P1280 P1481 P1515 P1540 P1633 P1635 P1639 P1682 #PIP3192 - (Oct 18, 2004)

Reduced Engine Power Message and/or Check Engine Light with any Combination of the Following DTCs: P0107 P0112 P0122 P0452 P1120 P1220 P1221 P1271 P1275 P1280 P1481 P1515 P1540 P1633 P1635 P1639 P1682 PCM Repeat.

The following diagnosis might be helpful if the vehicle exhibits the symptom described in the PI.

Condition/Concern:
Reduced engine power message and/or check engine light with any combination of the following DTCs: P0107 P0112 P0122 P0452 P1120 P1220 P1221 P1271 P1275 P1280 P1481 P1515 P1540 P1633 P1635 P1639 P1682

Recommendation/Instructions:
If the SI diagnostics did not isolate a concern, the following information may be helpful:
- Inspect the main engine wiring harness between the PCM and the generator assembly for a potential short to ground. There is a metal wiring harness retainer in this area that secures the main engine harness. If the harness conduit is mispositioned, some of the wiring may become exposed and chaff on the harness retainer. This may eventually cause the exposed circuit to short to ground.

- Inspect the 3 harnesses that connect to the PCM for potential shorts to ground on the metal PCM mounting bracket, just below the PCM. There are plastic harness retainers on the PCM bracket that secure the harnesses to the PCM bracket. If the harness conduit is mispositioned, some of the wiring may become exposed and chaff on the PCM bracket. This may eventually cause the exposed circuit to short to ground.

- If a chaffed circuit is found in either of the above locations, repair the circuit using the necessary SI procedures. Once the circuit is repaired, tape the area of the affected area of the harness to prevent the wires from becoming exposed in the future and secure the harness using the original harness retainer.

This applies to 04:
- 4.2L 5.3L LL8 LM4 Engine with DTC - P2120 or P2122 or P2123 or P2125 or P2127 or P2128 - kw low MIL pedal power reduced #PI01746 - (Feb 17, 2004)
- 4.2L 5.3L LL8 LM4 Engine with DTC - P2120 or P2122 or P2123 or P2125 or P2127 or P2128.

When servicing the vehicle with the VIN you entered, the following diagnosis might be helpful if the vehicle exhibits the described symptoms.

Condition/Concern:
MIL light on. Reduced Power message on DIC. Possibles DTCs P2120 and/or P2122, P2123, P2127, and P2128.

Recommendation/Instructions:
The APP harness is clipped to the accelerator pedal bracket. The harness may chaff on the upper portion of the accelerator pedal causing a short to ground. Verify the harness is not chaffing on the accelerator pedal. After repairing the short, reposition the harness to ensure no contact between the harness and the accelerator pedal.

Hope helpes.

Feb 09, 2010 | 2004 Chevrolet TrailBlazer

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