LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 33 (AUTOMATIC TRANSMISSION - ALLISON - DIAGNOSTICS (DTCs P0878-P2723)) >> DTC P0883 >> Test Description

Test Description

WARNING: This page is about a different variant/trim than selected.

The numbers below refer to the step numbers on the diagnostic table.

  1. 2:  This step tests for proper TCM battery direct voltage.
  2. 3:  This step tests the vehicle charging system.
DTC P0883

Step Action Value Yes No
Schematic Reference: Automatic Transmission Controls Schematics
1 Did you perform the Diagnostic System Check - Vehicle? - Go to Step 2  Go to Diagnostic System Check - Vehicle
2
  1. Install the scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. IMPORTANT: Before clearing the DTC, use the scan tool in order to record the Freeze Frame and Failure Records for reference. The Clear Info function will erase the data.
  4. Record the DTC Freeze Frame and Failure Records.
  5. Clear the DTC.
  6. Start the engine.
  7. Using the scan tool, monitor TCM battery direct voltage.
Is voltage within the specified value?
B+ Go to Diagnostic Aids Go to Step 3 
3 Monitor the vehicle charging system for voltage spikes. Refer to Charging System Test .
Is the vehicle charging system operating properly?
B+ Go to Testing for Intermittent Conditions and Poor Connections Go to Step 4 
4 Repair the charging system. Refer to Charging System Test or Generator Replacement (6.6L (LLY) Engine) or Generator Replacement (8.1L Engine) .
Did you complete the repair?
- Go to Step 5  -
5 Perform the following procedure in order to verify the repair:
  1. Clear the DTC.
  2. Using the scan tool, monitor TCM voltage.
  3. Select Specific DTC.
  4. Enter DTC P0883.

Has the test run and passed?
- Go to Step 6  Go to Step 2 
6 With the scan tool, observe the stored information, capture info and DTC info.
Does the scan tool display any DTCs that you have not diagnosed?
- Go to Diagnostic Trouble Code (DTC) List - Vehicle System OK