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DTC
DTC Descriptor
Control Module Ignition Off Timer
P2610
Performance
P2636
Fuel Transfer Pump Flow Insufficient
P2637
Transmission Torque Delivered Circuit TCM
Transmission Range (TR) Switch
P280A
Circuit Not Learned
U0073
High Speed Communication Bus
Lost Communication With Engine/
U0100
Powertrain Control Module (ECM/
PCM)
Lost Communication With
U0101
Transmission Control Module (TCM)
Lost Communication With Cruise
U0104
Control Module
Lost Communication With Electronic
U0121
Brake Control Module (EBCM)
Lost Communication With Vehicle
U0122
Dynamics Control Module
Lost Communication With Power
U0131
Steering Control Module
Lost Communication With Body
U0140
Control Module (BCM)
Lost Communication With Sensing
U0151
and Diagnostic Module (SDM)
Lost Communication With Instrument
U0155
Panel Cluster (IPC) Control Module
Lost Communication With HVAC
U0164
Control Module
Lost Communication With Vehicle
U0168
Theft Deterrent (VTD) Control Module
Lost Communication With Passenger
U0170
Presence System (PPS)
U0184
Lost Communication With Radio
Lost Communication With
U0198
Communication Interface Module
(OnStar®)
Lost Communication With Remote
U0214
Function Actuator (RFA)
U1500
Inter-Device Dedicated Bus 1
Powertrain High Speed
U1814
Communication Enable Circuit
High Speed Communication Enable
U2099
Circuit
Controller Area Network (CAN) Bus
U2100
Communication
Lost Communication With Engine
U2105
Control System
Module that
Sets the DTC
"DTC P0601, P0602, P0603, P0604, P0605,
ECM
P0606, P0607, P1600, P1621, P1627, P1680,
P1681, P1683, or P2610: "
ECM
"DTC P2636: "
"DTC P0115, P0120, P0703, P0727, P0826,
P1779, P2544, or P2637: "
TCM
"DTC P280A: "
BCM, DRR,
HVSM, PPS,
PSCM, Radio,
"DTC U0073: "
RCDLR, ROS,
RSA
BCM, PSCM
"DTC U0100-U0299: "
BCM
"DTC U0100-U0299: "
BCM
"DTC U0100-U0299: "
BCM
"DTC U0100-U0299: "
BCM
"DTC U0100-U0299: "
BCM
"DTC U0100-U0299: "
HVSM, PPS,
PSCM, RCDLR,
"DTC U0100-U0299: "
ROS, RSA, TDM
PPS, ROS
"DTC U0100-U0299: "
BCM, HVSM,
PPS, RCDLR,
"DTC U0100-U0299: "
ROS, RSA, TDM
BCM, HVSM
"DTC U0100-U0299: "
BCM
"DTC U0100-U0299: "
SDM
"DTC U0100-U0299: "
BCM, DRR,
"DTC U0100-U0299: "
RSA
BCM
"DTC U0100-U0299: "
BCM
"DTC U0100-U0299: "
EBCM, VCIM
"DTC U1500: "
BCM
"DTC U1814: "
BCM
"DTC U2099: "
EBCM, IPC
"DTC U2100: "
"DTC U2105-U2199 (Except U2142 and
EBCM
U2143): " "DTC U2105-U2199 (U2142 or U2143
only): "
General Information:
Diagnostic Procedure
0A-54
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Table of Contents
Troubleshooting
