2027 Chevrolet Bolt EV technical service bulletins
54 technical service bulletins and manufacturer communications cover the 2027 Chevrolet Bolt EV.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Unknown or other
- Condition in which the software that maintains the RESS battery pack may inadvertently
- This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a...
- Unknown or other
- Unknown or other
- This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.
- Condition in which there is a water leak due to a partially seated tail-lamp harness grommet
- Condition in which the roof to body side structure has a pinhole in it. Dealers are to inspect the right...
- Unknown or other
- • Better performance and reliability of wireless phone charging
- Unknown or other
- Unknown or other
- Unknown or other
- • Improved eCall system performance
- • Fixes to help ensure start reliability and prevent battery drain • Improved charging performance and...
- • Updates to enable Plug and Charge at select Supercharger stations through Energy Pass
- This PI states that if SDGM DTC P0604/P0607 is set and no other SDGM DTCs are present, clear DTCs and...
- • Improved vehicle performance when driving in Reverse on slippery surfaces • Better One-Pedal Driving...
- Condition in which a fastener may be loose at the steering column to cockpit beam
- • Additional protection for battery health and to help prevent battery drain • Improved charging messaging...
- This information addresses a potential software anomaly that may
- This PI explains that the T18, Battery charger drive power distribution control modules are on parts...
- Condition in which the software that maintains the RESS battery pack may inadvertently
- Condition in which a bolt(s) on the left or right side of the rear wheel hub may be incorrectly torqued
- Unknown or other
- • Improvements to traction and stability control on uneven terrain • Improvements to braking performance...
- Unknown or other
- Unknown or other
- • Fixes to help ensure responsiveness for the driver display and rear view camera
- Unknown or other
- Unknown or other
- • Improvements to diagnostics and service messaging for battery health, particularly in humid conditions
- Unknown or other
- Unknown or other
- Been sold with a GM NACS Level 2 EV charging adapter (NACS to J1772) in which a quality issue was identified
- Unknown or other
- Unknown or other
- This PI advised dealer technicians of possible causes of diesel fuel contamination in gasoline powered...
- Unknown or other
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