Engine Controls - MIL ON/DTCs P2106/P1516/P2110: Overview
TECHNICALBulletin No.: 08-06-04-004B
Date: January 15, 2010
Subject: LXT, L91, Poor Acceleration, Throttle Body Frozen Shut and/or Stuck Closed, MIL/SES Light Illuminated, DTCs P1516, P2106 and/or P2110 Set in Extremely Low Temperatures with High Humidity Condition After an Initial Cold Engine Start or While Driving, Reduced Engine Modes (Install PCV Valve Kit and Reprogram ECM)
Models:
2006-2008 Chevrolet Aveo
2006-2008 Pontiac Wave (Canada Only)
with 1.6L 4-Cylinder Engine (VIN 6 - RPOs LXT, L91)
Attention:
To perform this repair properly the complete PCV Valve Kit must be installed.
Supercede:
This bulletin is being revised to remove the individual part numbers and add an Attention statement. Please discard Corporate Bulletin Number 08-06-04-004A (Section 06 - Engine/Propulsion System).
Condition
Some customers may comment on poor acceleration and/or reduced engine power with an MIL/SES light illuminated after an initial cold engine start or while driving. Upon further investigation, technicians may find the throttle body frozen shut or stuck closed in extremely low temperatures with high humidity condition with the following DTC's:
P2106 and P2110 indicate that a throttle actuator control (TAC) DTC is set. This causes the engine control module (ECM) to command one of the following Reduced Power Modes:
- P1516: Throttle Actuator Control (TAC) Module Throttle Actuator Position Performance
- P2106: Throttle Control System Performance - Throttle Limitation Active
- P2110: Throttle Actuator Control (TAC) System - Forced Limited Engine Speed
Parts Information
Warranty Information
For vehicles repaired under warranty, use the table above.
Disclaimer