Source reference 10115143
Manufacturer communication — 2006 GMC YUKON DENALI XL
Relation to the target vehicle
- The source's vehicle field includes the trim.
- Model year
- Match 2006 — Source vehicle field
- Model
- Match YUKON DENALI XL — Source vehicle field
- Trim
- Match Denali — Source vehicle field
What the manufacturer’s document says
PIP5232B ・ fault and correction ・ for GM vehicles in general
Applies to
Applies to 2016 and prior GM cars and gasoline-powered MST light duty and HD trucks.
the passage
2016 and Prior GM Cars and Gasoline-Powered MST Light Duty and HD Trucks
Fault
The catalytic converter has come apart, or DTC P0420 and/or P0430 has set.
the passage
Technicians may encounter a concern where the catalytic converter has come apart or has set a P0420 and/or P0430.
Finding the cause
Steps to confirm (in the document’s order)
If the converter appears to have failed for no apparent reason, inspect for a poor crimp at the circuit terminal on the engine bank with the concern.
the passage
If you believe the catalytic converter has failed and with no apparent reason, it is recommended to inspect for a poor crimp at circuit terminal on the engine bank with the concern.
Inspect the ground for corrosion or damage at the ground terminal ring, the fasteners and the grounding surfaces.
the passage
Technicians should inspect the ground for possible corrosion or damage at ground terminal ring, fasteners and grounding surfaces.
Correction
Repair
If no corrosion or damage is found, tighten the ground bolt to the proper torque.
the passage
If no corrosion or damage is found, tighten the ground bolt to the proper torque
Compiled by reading the full text of the document; each point stands on the passage shown. Check the document itself, linked below, before working on a vehicle.
Stated content
Communication summary
本予備情報通知は、ガソリン駆動自動車、ミッドサイズトラック、軽デューティートラック、およびヘビーデューティートラックの触媒コンバーター早期不具合に関する技術者向け情報を提供します。問題のあるバンクのエンジンブロックのグラウンド用リング端子のクリンプ不良を点検し、ワイヤーを修理することをお勧めします。 Machine translation (unreviewed)
This Preliminary Information communication provides information to the technician about gasoline powered cars, mid-size trucks, light duty trucks, and heavy duty trucks with premature catalytic converter failures. It is recommended to inspect for a poor crimp on the grounds ring terminal at the engine block for the bank with the concern and repair the wire.
Go to this passage in the original
Source
- Source
- NHTSA Manufacturer Communications
- Source reference
- 10115143
- Received by source
- 2017-08-15
- Incident date
- Unknown
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