GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2005 🢒 Century 🢒 Suspension 🢒 Tire Pressure Monitoring 🢒 Low Tire Pressure Indicator Does Not Reset

Step

Action

Yes

No

DEFINITION: The LOW TIRE indicator does not reset.

1

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Diagnostic System Check - Vehicle in Vehicle DTC Information

2
  1. Install a scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. With a scan tool, observe the TIM Reset Switch parameter in the TIM data list.
  4. Press the RESET switch.

Does the scan tool display Pressed when the switch is pressed?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

3
  1. Turn OFF the ignition.
  2. Disconnect the reset switch signal circuit from the instrument panel (I/P) Fuse Block.
  3. Connect a 3-amp fused jumper wire between the reset switch signal circuit and a good ground.
  4. Turn ON the ignition, with the engine OFF.
  5. With a scan tool, observe the TIM Reset Switch parameter.

Does the scan tool display Pressed?

Go to Step 5

Go to Step 4

4

Test the reset switch signal circuit for a high resistance or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 10

Go to Step 7

5

Test the ground circuit of the tire inflation monitor (TIM) reset switch for a high resistance or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 10

Go to Step 6

6

Inspect for poor connections at the harness connector of the TIM reset switch. Refer to Testing for Intermittent Conditions and Poor Connections and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 10

Go to Step 8

7

Inspect for poor connections at the harness connector of the body control module (BCM). Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 10

Go to Step 9

8

Replace the TIM reset switch. Refer to Instrument Panel Electrical Center or Junction Block Replacement in Instrument Panel, Gages and Console.

Did you complete the replacement?

Go to Step 10

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9

Replace the BCM. Refer to Control Module References in Computer/Integrating Systems for replacement, setup and programming.

Did you complete the replacement?

Go to Step 10

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10

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2