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Service bulletins for the 2015 Chevrolet City Express

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

1094 on file from NHTSA, as of 2026-10-19.

About U0100 on the 2015 Chevrolet City Express: what the code means, and the bulletins and recalls about the same components.

By type

By component

By trouble code

By topic

Only bulletins with trouble code: U0100 are shown. Show all

Bulletins, newest first
15169B2023-12-18. Service bulletin. UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR. Crank / No Start ? DTC U0100, U1000, B2193 Stored
PIT53692017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communication provides information to the technician about vehicles that may have an engine will crank or turn over but will not start and/or once the engine is running the Service Engine Soon Malfunction Indicator Lamp will illuminate. Technician may find Diagnostic Trouble Codes U0100 and U1000 in multiple high speed modules and the Body Control Module may have B2190 or B2193 as well. Please assure the customer this concern will not cause a walk home. At this time engineering is aware of the concern and working towards a resolution.
GCUS-3-4232016-09-14. Service bulletin. ENGINE. 15169B - CUSTOMER SATISFACTION PROGRAM (REVISED SERVICE PROCEDURE). VEHICLES MAY EXHIBIT A CONDITION IN WHICH THE VEHICLE ENGINE WILL CRANK BUT NOT START. A REVERSED WIRE IN THE ENGINE EGI HARNESS CAN LEAD TO AN IGNITION SNEAK CIRCUIT, WHICH CAN PREVENT THE ENGINE CONTROL MODULE FROM COMMANDING A SPARK AT START-UP. DURING THE CRANK / NO START EVENT, A MALFUNCTION INDICATOR LAMP WILL BE ILLUMINATED, AND THE VEHICLE WILL STORE THE FOLLOWING CODE: U0100, U1000, AND B2193. DEALERS ARE TO REVISE THE ENGINE EGI HARNESS.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.