2004 Cadillac Escalade speedometer going crazy when driving

Here is info on the special policy, it only lasts for 7yrs/70k miles.

#07187C: Special Coverage Adjustment - Instrument Panel Cluster Gauge Needle Function - (Mar 20, 2009)

Subject: 07187C -- SPECIAL COVERAGE ADJUSTMENT - INSTRUMENT PANEL CLUSTER GAUGE NEEDLE FUNCTION

Models: 2003-2004 CADILLAC ESCALADE, ESCALADE ESV, ESCALADE EXT

2005 CADILLAC ESCALADE, ESCALADE ESV, ESCALADE EXT (U.S. ONLY)

2003-2004 CHEVROLET AVALANCHE, SILVERADO, SUBURBAN, TAHOE

2005 CHEVROLET AVALANCHE, SILVERADO, SUBURBAN, TAHOE (U.S. ONLY)

2003-2004 GMC SIERRA, YUKON, YUKON XL

2005 GMC SIERRA, YUKON, YUKON XL (U.S. ONLY)

THIS BULLETIN IS BEING REVISED TO INCLUDE CERTAIN 2005 MODEL YEAR VEHICLES IN THE U.S. ADDITIONALLY, FOR U.S. 2003-2005 MODEL YEAR VEHICLES, GM WILL PROVIDE THE INSTRUMENT PANEL CLUSTER (IPC) ONLY, AT NO CHARGE TO THE CUSTOMER FOR VERIFIED FAILURES BETWEEN 70,001 MILES (110,001 KM) AND 80,000 MILES (130,000 KM). ANY ADDITIONAL COSTS, INCLUDING LABOR TO REPLACE THE INSTRUMENT PANEL CLUSTER, WILL BE THE RESPONSIBILITY OF THE CUSTOMER. DEALERS WILL BE RESPONSIBLE FOR THE RETURN OF THE CUSTOMER'S IPC BACK TO THE ELECTRONIC SERVICE CENTER. PLEASE DISCARD ALL COPIES OF BULLETIN 07187B, ISSUED SEPTEMBER 2008.

CUSTOMERS ARE BEING INSTRUCTED TO CONTACT THE DEALERSHIP TO ARRANGE AN APPOINTMENT IF THEY BELIEVE THEIR VEHICLE HAS THIS CONDITION. THE CUSTOMER IS BEING ASKED TO PROVIDE THE VIN SO THE IPC CAN BE ORDERED IN ADVANCE OF THE SCHEDULED APPOINTMENT. THIS WILL ELIMINATE THE NEED TO KEEP THE VEHICLE OVERNIGHT. DEALERS ARE TO OBTAIN THE VEHICLE MILEAGE WHEN SCHEDULING A SERVICE APPOINTMENT. THE VEHICLE MILEAGE WILL BE REQUIRED WHEN PLACING AN ORDER FOR THE IPC.

Condition
Some customers of all 2003-2004 model year and certain U.S. 2005 model year Cadillac Escalade, Escalade ESV, and Escalade EXT; Chevrolet Avalanche, Silverado, Suburban, and Tahoe; and GMC Sierra, Yukon, and Yukon XL vehicles have reported that one or more of the instrument panel (IP) cluster gauges stick, flutter, or become inoperative. This may cause inaccurate readings, including the speedometer and fuel gauge.

Special Coverage Adjustment
This special coverage covers the condition described above for a period of 7 years or 70,000 miles (110,000 km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership.

Dealers are to replace the instrument panel cluster after the condition has been verified. The repairs will be made at no charge to the customer.

For verified failures between 70,001 miles (110,001 km) and 80,000 miles (130,000 km) on U.S. Vehicles, dealers are to provide the customer with an instrument panel cluster (IPC) only. Any additional costs, including labor to replace the instrument panel cluster, will be the responsibility of the customer. Dealers are responsible for the return of the customer's IPC back to the Electronic Service Center.

For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after September 28, 2007 for 2003-2004 model year vehicles, and March 23, 2009 for 2005 model year vehicles, are covered by this special coverage and must be submitted using the labor operation codes provided with this bulletin. Claims with repair orders prior to September 28, 2007 for 2003-2004 model year vehicles, or March 23, 2009 for 2005 model year vehicles, must be submitted to the Service Contract provider.

Vehicles Involved
Involved are all 2003 and 2004 model year and certain U.S. 2005 Cadillac Escalade, Escalade ESV, and Escalade EXT; Chevrolet Avalanche, Silverado, Suburban, and Tahoe; and GMC Sierra, Yukon, and Yukon XL vehicles built within the following VIN breakpoints:

YEAR
DIVISION
MODEL
FROM
THROUGH

2003
Cadillac
Escalade
3R100001
3R320163

2004
Cadillac
Escalade
4R100006
4R323240

2005
Cadillac
Escalade
5R100001
5R199235

2003
Cadillac
Escalade ESV
3G117982
3G348029

2004
Cadillac
Escalade ESV
4G100001
4G343605

2005
Cadillac
Escalade ESV
5G100006
5G199627

2003
Cadillac
Escalade EXT
3G100002
3G343890

2004
Cadillac
Escalade EXT
4G100005
4G343604

2005
Cadillac
Escalade EXT
5G100009
5G199571

Here is the VIN range for chevy silverado. Problem is that you have exceeded the miles for special policy coverage. Simple test with a scan tool is a gauge sweep to check for a sticking needle.
2005
Chevrolet
Silverado
51100014
51247028

2005
Chevrolet
Silverado
5E100002
5E223209

2005
Chevrolet
Silverado
5F800001
5F882297

2005
Chevrolet
Silverado
5Z100003
5Z224691

I would only let them know about the gauge issues, if your potentially going to have any success in coverage. That is what the bulletin is describing as the failed condition. The 400 I would think would be the total for the repair. As far as I know, it is serviced as a replacement of the cluster, there are no serviceable parts to repair it.