GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2002 🢒 Eldorado 🢒 Transmission/Transaxle 🢒 Shift Lock Control 🢒 Scan Tool Data List
Table 1: Body Control Module (PZM)
Table 2: Powertrain Control Module (PCM)

Body Control Module (PZM)

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.

Battery Voltage

Data

Volts

0-25V

Park Relay

Outputs

ON/OFF

ON

Powertrain Control Module (PCM)

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.

Ignition Voltage

Transmission Data

Volts

0-25V

IMS

Transmission Data

HI/LOW

LOW/HI HI/LOW

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