| Table 1: | Instrument Panel Cluster (IPC) | 
| Table 2: | Powertrain Control Module (PCM) 4.3L | 
| Table 3: | Powertrain Control Module (PCM) 4.8L, 5.3L, and 6.0L | 
| Table 4: | Powertrain Control Module (PCM) 8.1L | 
Scan Tool Parameter  | Data List  | Units Displayed  | Typical Data Value  | 
|---|---|---|---|
Ignition Switch in RUN/Engine running/Automatic Transmission in PARK/Manual Transmission in NEUTRAL/Air Conditioner is OFF  | |||
Check Coolant Temp  | Outputs  | On/Off  | Off  | 
Check Engine Temp  | Outputs  | On/Off  | Off  | 
Displayed Coolant Temp  | Data  | Celsius (C)/Fahrenheit (F)  | 87°C (189°F)  | 
Low Coolant  | Outputs  | On/Off  | Off  | 
Monitored Coolant Temp  | Data  | Celsius (C)/Fahrenheit (F)  | 87°C (Fluctuates range 82-93°C) 189°F (Fluctuates range 180-200°F)  | 
Reduced Engine Power  | Outputs  | On/Off  | Off  | 
Scan Tool Parameter  | Data List  | Units Displayed  | Typical Data Value  | 
|---|---|---|---|
Ignition Switch in RUN/Engine running/Automatic Transmission in PARK/Manual Transmission in NEUTRAL/Air Conditioner is OFF  | |||
Coolant Level Switch  | Engine Data 2  | Low/OK  | OK  | 
ECT Sensor  | Engine Data 2  | Degrees  | 87°C (189°F)  | 
Scan Tool Parameter  | Data List  | Units Displayed  | Typical Data Value  | 
|---|---|---|---|
Ignition Switch in RUN/Engine running/Automatic Transmission in PARK/Manual Transmission in NEUTRAL/Air Conditioner is OFF  | |||
Coolant Level Switch  | Engine Data 2  | Low/OK  | OK  | 
ECT Sensor  | Engine Data 1 Engine Data 2  | Degrees  | 87°C (189°F)  | 
Scan Tool Parameter  | Data List  | Units Displayed  | Typical Data Value  | 
|---|---|---|---|
Ignition Switch in RUN/Engine running/Automatic Transmission in PARK/Manual Transmission in NEUTRAL/Air Conditioner is OFF  | |||
Coolant Level Switch  | Engine Data 2  | Low/OK  | No  | 
ECT  | Engine Data 1 Engine Data 2 Engine Data 3  | Degrees  | 87°C (189°F)  |