Electronic Transmission Range Indicator Segment Test

When CHEC-3 is displayed in the odometer window, each segment of the transmission range indicator will illuminate sequentially. If a segment in the transmission range indicator does not illuminate normally, a problem exists in the display board.

Conditions
Refer to the following tables:
- Instrument Cluster
- Speedometer
- Tachometer
- Fuel Gauge
- Temperature Gauge
- Odometer
- Electronic Transmission Range Indicator (PRND3L)
- Mechanical Transmission Range Indicator (PRND21)
for possible/problems/causes and corrections.

Additional diagnostic trouble code information can be found at Body Control Module, Testing and Inspection, Diagnostic Charts. Testing and Inspection

Please also note that Instrument Panel Calibration can be found at Cluster Diagnostics/Calibration Under Testing and Inspection at the component level. Testing and Inspection