GM Service Manual Online
For 1990-2009 cars only

Object Number: 300097  Size: MF
Cell 10: IGN SW, HTDST LR, HTDST RR, HTDST LF, and HTDST RF Fuses
Cell 50: Class Serial Data Line 1 of 2
Cell 14: G301

Circuit Description

The RKE module runs this internal self-test at power up. This test will only be run if B1982 - Battery voltage high or B1983 - Battery voltage low are not current. This DTC will set as a current DTC only.

Conditions for Setting the DTC

The RKE module will set this DTC if it fails the internal Read Only Memory (ROM) to Random Access Memory (RAM) write test.

Action Taken When the DTC Sets

Stores a DTC B1000 in the RKE current memory.

No driver warning message will be displayed for this DTC.

Conditions for Clearing the MIL/DTC

The RKE module will clear this DTC after a passed test message is received after the power up self-test.

Diagnostic Aids

This DTC will stay in memory until it receives a passed test message after the power up self-test. If this DTC will not clear, replace the RKE module.

Test Description

The numbers below refer to steps on the diagnostic table:

  1. Perform the Remote Keyless Entry Diagnostic System Check before diagnosing DTC B1000.

  2. This step is to attempt to clear the DTC.

Step

Action

Value(s)

Yes

No

1

Were you sent here from Remote Keyless Entry Diagnostic System Check?

--

Go to Step 2

Go to

Diagnostic System Check - Remote Keyless Entry

2

Disconnect connector and reconnect from RKE module to cycle power.

Is DTC B1000 still present?

--

Go to Step 3

Go to

Remote Keyless Entry System Check

3

Replace the RKE module.

Refer to Remote Control Door Lock Receiver Replacement .

Is repair complete?

--

Go to

Remote Keyless Entry System Check

--