GMC Yukon XL 2000–2006
Common on this vehicle:Loss of engine power, no accelerationWarning lightReduced brakingDoes not startStalls or shuts offSteering effort change
Possible causes
Causes with no correction stated (1)
Causes the records name for which no check or repair is stated, in a technical document or in a record. Press one for the records that name it.
- Heating and air conditioning
- Climate Control Module: electrical fault (1)
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・Reduced Engine Power, Electrical, wiring and power
Candidate cause (named by records only; no technical document)
Ignition Switch: failed
1 of the records matching this search name this component as the cause.
How to tell
P2135Check engine / Service Engine SoonReduced Engine Power
What to do
No technical document states a check or a repair.
In the records
- Ignition Switch: replaced 1(result not stated: 1)
- Throttle Body: replaced 1(says it held for a while: 1)
- Throttle Body Connector: replaced 1(says it held for a while: 1)
Work that followed
- Throttle Body (replaced) did not settle it; then Alternator (replaced) 1(says it did not fix it: 1)record 1
- Throttle Body (replaced) did not settle it; then Battery (replaced) 1(says it did not fix it: 1)record 1
- Throttle Body (replaced) did not settle it; then Oxygen Sensor (replaced) 1(says it did not fix it: 1)record 1
- Throttle Body (replaced) did not settle it; then Wiring (replaced) 1(says it did not fix it: 1)record 1
The course as owners' complaints state it. A complaint is filed more often when a repair did not hold, so the counts are not a rate at which work succeeds.
See the evidence (0 technical documents, 1 records)
Records
- Stalling and engine power reduced light; code P2135 Owner complaint 2010-09-04
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.

