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GMC Yukon XL 2000–2006

GMC Yukon XLModel years 2000–2006

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Common on this vehicle:

issueRadio volume lower at the same setting after reprogramming or replacement (new audio calibration, normal)Remove

Possible causes

P21350 records
Electrical, wiring and power
0Reduced Engine Power from throttle body connector crimp, broken wire or grounds

The documents say what to doOnly records name itThe size of a node, the width of a link and the numbers are records matching this search, not likelihoods.

FaultCrate・GMC Yukon XL 2000–2006・P2135

Candidate cause (the documents say what to do)

Reduced Engine Power from throttle body connector crimp, broken wire or grounds

A vehicle may come in for a reduced power message and DTCs P0120, P0220, P1516, P2101 or P2135.

The TAC / throttle body codes may be caused by a loose wiring crimp at the throttle body connector or a broken throttle body circuit.

How to tell

P0120P0220P1516P2101P2135Check engine / Service Engine SoonReduced Engine Power

What to do

  1. Inspect all related throttle body terminals for a loose wiring crimp.
  2. Wire breaks usually occur within 1 to 4 inches (= 25.4–101.6 mm) of the throttle body connector.
  3. On C/K trucks, complete SI procedures for voltage drop on grounds G103 and G104; grounds G103 or G104 may be loose or corroded.
  4. If a terminal crimp or broken wire is found, repair or replace only the circuits involved.

Caution: Installing this pigtail connector may cause other intermittent TAC module / TP codes at a later date.

In the records

No record states work done for this cause.

See the evidence (1 technical documents, 0 records)

Passages of the technical documents

  • 2003-2006 GMC Envoy, Savana, Sierra, Yukon

    General Motors (copy hosted by simple-engineering.com) 2006-10-31

  • Equipped with a 4.8 5.3 6.0 or 7.0 V-8 Engine

    General Motors (copy hosted by simple-engineering.com) 2006-10-31

  • A vehicle may be brought into the dealer for a reduced power message, and DTCs P0120, P0220, P1516, P2101, or P2135.

    General Motors (copy hosted by simple-engineering.com) 2006-10-31

  • The Throttle Actuator Control (TAC) / throttle body type trouble codes, may be caused by a loose wiring crimp at the throttle body connector, or a broken throttle body circuit.

    General Motors (copy hosted by simple-engineering.com) 2006-10-31

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Records

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A cause or a result a complaint states is the owner’s view or what a dealer told them, not an established fact.

Put together by FaultCrate from public records and technical documents. The cause and the repair are for the workshop to decide with the vehicle in front of it. Counts are records, not failure rates.