Chevrolet Trax: Data Communications - Diagnostic information and procedures
Chevrolet Trax (2013-2022) Workshop Manual / Accessories & Equipment / Data Communications / Data Communications - Diagnostic information and procedures
DIAGNOSTIC CODE INDEX
CONTROL MODULE U CODE LIST
This list includes all Data Communications related U-code DTCs in alphanumeric order with descriptors for all devices. Not all DTCs listed will be applicable to all vehicles.
For symptom byte information, refer to Symptom Byte List .
Control Module U Code List
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- DTC B1000: Electronic control unit
- DTC B101D: Electronic control unit hardware
- DTC B101E: Electronic control unit software
- DTC C056D: Electronic control unit hardware
- DTC C056E: Electronic control unit software
- DTC U0020:Low speed can bus
- DTC U0073 OR U2100: Can bus communication
- DTC U0074: Control module communication bus B OFF
- DTC U0078: Control module communication low speed can bus off
- DTC U0300-U0336: See control module u code list
- DTC U0400-U05FF: See control module U code list
- DTC U1814: Powertrain wake-up communication circuit
- DTC U18A6: Lost communication with right object detection control module on dedicated bus 1
- DTC U18B9-U18BF: High speed can bus subnet configuration list
- DTC U2099: High speed communication enable circuit
- Symptoms - data communications
- Scan tool does not communicate with chassis high speed gmlan device
- Scan tool does not communicate with high speed gmlan device
- Scan tool does not communicate with low speed gmlan device
READ NEXT:
DTC B1000: Electronic control unit
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
approach.
Diag
DTC B101D: Electronic control unit hardware
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
approach.
Diag
DTC B101E: Electronic control unit software
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
approach.
Diag
SEE MORE:
Turbocharger replacement - Installation Procedure
Install the assembly parts to the turbocharger as necessary. Refer to
Turbocharger Assemble.
Clean the sealing surfaces.
Fig. 203: Turbocharger Assembly And Gasket
Install a NEW turbocharger gasket.
Install the turbocharger assembly (1).
Fig. 204: Turbocharger Nuts
Install the 8 NEW
Engine Compartment
Overview
1.4L L4 Engine
Engine Air Cleaner/Filter
Engine Oil Dipstick
Engine Cooling Fan (Out of
View). See Cooling System
Engine Oil Fill Cap. See Engine
Oil
Engine Coolant Surge Tank and
Pressure Cap. See Cooling
System
Brake/Clutch Fluid Reservoir.
See Brakes on page 10-22 and
Hydraulic Clu
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