GM Service Manual Online
For 1990-2009 cars only
Table 1: Remote Control Door Lock Receiver (RCDLR)
Table 2: Transmission Control Module (TCM)

Remote Control Door Lock Receiver (RCDLR)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, with the engine OFF. Transmission shift lever in the PARK position , Brake pedal released.

Battery Voltage

Data

0-15 volts

12.5 volts

Ignition 1

Inputs

ON/OFF

ON

Shift Lock Solenoid Command

Data

UNLOCK/LOCK

LOCK

Shift Lock Soleniod State

Data

UNLOCK/LOCK

LOCK

Transmission Control Module (TCM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, with the engine OFF. Transmission shift lever in the PARK position.

IMS A/B/C/P

Transmission Data

Park, Park/Reverse, Reverse, Reverse/Neutral, Neutral, Neutral/Drive 4, Drive 4, Drive 4/Drive 3, Drive 3, Drive 3/Drive 2, Drive 2, Drive 2/Drive 1, Drive 1, Invalid, Open

PARK

TCC Brake Switch

Transmission Data

Closed / Open

Closed