Subject: | Parts Name Changes |
Models: | 2006 Chevrolet Silverado, Kodiak |
2006 GMC Sierra, TopKick |
Equipped with Allison LCT1000 6 Speed (RPO - MW7) Transmission |
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
The following descriptions are the changes GM made to the naming of parts for model year '06.
This will not be retroactive to earlier model years.
This applies to the service information and also scan tool references.
Previous | Current |
---|---|
Trim solenoid A | Pressure Control Solenoid 1 (PCS1) |
Trim Solenoid B | Pressure Control Solenoid 2 (PCS2) |
Shift Solenoid C | Shift Solenoid 1 (SS1) |
Shift Solenoid D | Shift Solenoid 2 (SS2) |
Shift Solenoid E | Shift Solenoid 3 (SS3) |
Solenoid G | Pressure Control Solenoid MAIN MOD |
TCC PWM | TCC Pressure Control Solenoid (TCC PCS) |
Previous | Current |
---|---|
TFP SW. C | Pressure Switch 1 (PS1) |
TFP SW. D | Pressure Switch 2 (PS2) |
TFP SW. E | Pressure Switch 3 (PS3) |
TFP SW. R | Pressure Switch 4 (PS4) |
Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.