Source reference 10113914
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
PIP5232C ・ fault and correction ・ for GM vehicles in general
Applies to
Applies to 2016 and prior GM cars and gasoline-powered light duty and HD trucks.
the passage
Models: 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 has failed for no apparent reason, inspect for a poor crimp at the ignition coil ground terminal on the engine block for the affected bank.
the passage
If you believe the catalytic converter has failed with no apparent reason, it is recommended to inspect for a poor crimp for the coil grounds terminal on the engine block for the bank with the concern.
Inspect the ground for corrosion or damage at the terminal ring, fasteners and 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、ガソリン車、中型トラック、軽デューティトラック、および大型デューティトラックにおける触媒コンバーターの早期不具合についての情報を提供しています。該当する銀行のエンジンブロック上のコイルアースリング端子の圧着不良を点検し、ハーネスを交換することが推奨されています。 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 coil 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
- 10113914
- Received by source
- 2017-08-15
- Incident date
- Unknown
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