2005 Chevrolet Chevy K Silverado Adjustment – Instrument Panel Cluster Gauge Needle Function

2005 Chevrolet Chevy K Silverado Adjustment – Instrument Panel Cluster Gauge Needle Function

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Important: There are pre-programming instructions for 2003 model year instrument panel clusters (IPC). In order for the engine hours to set to their current value when the IPC is replaced, carefully read and follow the instructions below. This information is applicable for 2003 model year IPCs only. An add time of 0.1 for the pre-programming requirement is published in the Claim section of the bulletin. 2003 Model Year Instrument Panel Cluster (IPC) Pre-Programming Instructions 1. Install the IPC. Ensure everything is connected properly. The replacement IPC requires SPS Programming and IPC Setup procedures to be performed. It does not matter which procedure is performed first. 2. Start the engine and then select IPC Setup. You must have the engine running before performing the IPC Setup. 3. Select IPC Setup. With the engine running, enter the appropriate mileage and engine hours.

4. Select “OK”. Review the pop up asking you to verify the mileage and engine hours. Move the pop up out of the way if necessary to view the verification screen. This may require a click and drag of the dialog box. 5. Verify that the mileage and engine hours are correct and select “OK”. DO NOT turn the ignition OFF until the engine has “run” for approximately seven (7) minutes. Allowing the engine to idle for this period of time allows the IPC to accumulate 1/10th of an hour and write the correct engine hour value to the permanent memory. The engine must be running before set up is performed and run for approximately seven minutes after the user selects “OK” confirming their mileage/engine hour inputs. After approximately seven minutes, shut the engine OFF and complete the event. The seven minute clock starts after you select “OK”, confirming the entries. Note: Based on feedback from technicians, we are currently making changes to the “IPC Setup” application which will include several enhancements to the set up screens. These are scheduled to be released and available in TIS2WEB very soon. Important: Only IPC conditions listed in the Condition section of the bulletin are covered under this special coverage program. In a small number of vehicles, the condition may be intermittent and the gauge sweep test may not always verify the condition. IPC Performance IPC performance may be affected by the following conditions: • Cold temperatures • Temperature fluctuations • High humidity • Driving over rough surfaces such as dirt roads or potholes Customer Comments and Observations Customers who describe gauge performance as jumpy, sticky, slow or erratic. Gauge performance may also be described as being inoperative or inaccurate. For example, for a period of time the speedometer may appear to move normally but be inaccurate and not return to zero (0) after the vehicle comes to a stop. This inaccurate condition may be more or less pronounced during the drive cycle and may, for a time, return to normal operation. A Tech 2 sweep test may not reveal the condition.