BEV model family
Chevrolet Blazer error codes and diagnostics
Diagnostic coverage for model years 2024–2027. Verified entries below are linked to this model family by source-backed applicability evidence; model membership alone is never used to invent a code relationship.
PowertrainBEV
Model years2024–2027
Verified diagnostics59
Research leads0
Verified Verified Chevrolet Blazer diagnostic codes
Each result opens a manufacturer-specific report with the code meaning, affected vehicles, source evidence and the full diagnostic knowledge page where available.
Automatic Collision Prep ReducedAutomatic Collision Prep Reduced · 2016–2025View diagnostic report →B00011B and/or B0002-1B set or B0012-OD and/or B0013-OD set (depends on the vehicle model). Cause The cause of the condition may be a poorly sea · 2024–2025View diagnostic report →B00021B set or B0012-OD and/or B0013-OD set (depends on the vehicle model). Cause The cause of the condition may be a poorly seated airbag infla · 2024–2025View diagnostic report →B0012OD and/or B0013-OD set (depends on the vehicle model). Cause The cause of the condition may be a poorly seated airbag inflator connector ca · 2024–2025View diagnostic report →B0013OD set (depends on the vehicle model). Cause The cause of the condition may be a poorly seated airbag inflator connector causing a high res · 2024–2025View diagnostic report →B020ACorrection Do not replace any parts at this ti · 2025–2026View diagnostic report →B1325Cannot relearn TPM • Specific to Hybrids: – Reduced propulsion power message. – Service high voltage charging system message. Cause If nothing else can be identified as the root ca · 2011–2024View diagnostic report →B1596If customer concern is related to one of the symptoms below, v · 2023–2026View diagnostic report →B1A1BNA-085 or 25-NA-183 please update the radio it should correct the issue, if · 2023–2026View diagnostic report →B1A1FNA-085 or 25-NA-183 please update the radio it should correct the · 2023–2026View diagnostic report →B1C48Correction Do not replace any parts at this time. Engineering · 2025–2026View diagnostic report →B1C64PIT6274B Published date: 01/8/2025 Preliminary I · 2025View diagnostic report →B389Ament ID DTCs (B3924 00, B3925 00, B3926 00, B3927 00) current in the BCM · 2024View diagnostic report →C0000Cannot relearn TPM • Specific to Hybrids: – Reduced propulsion power message. – Service high voltage charging system message. Cause If nothing else can be identified as the root ca · 2011–2024View diagnostic report →C0035Customer Concern Not Duplicated (CCND) Customer states steering noise / whine when turning at parking lot speeds at cold temperatures. Followed SI p · 2022–2024View diagnostic report →C0040Customer Concern Not Duplicated (CCND) Customer states steering noise / whine when turning at parking lot speeds at cold temperatures. Followed SI procedures · 2022–2024View diagnostic report →Forward Collision System ReducedForward Collision System Reduced · 2016–2025View diagnostic report →P0300Created on. 02/25/2022 - Updated to add Model Year and remove breakpoint. 1 · 2024View diagnostic report →P0302Created on. 02/25/2022 - Updated to add Model Year and remove breakpoint. 11/10/20 · 2024View diagnostic report →P0305Created on. 02/25/2022 - Updated to add Model Year and remove breakpoint. 11/10/2022 - Up · 2024View diagnostic report →P0496Model: Model Year: V · 2024View diagnostic report →P056216 (or similar). • If any low-voltage DTCs are active or recurring: - Do not replace the front camera. - Correct the 12 V power is · 2024–2026View diagnostic report →P060CUpdate to the model list 07/28/2026 - Update to the model list · 2024–2026View diagnostic report →P0D40Customer Concern Not Duplicated (CCND) Customer states the engine wont crank or start. Performed related system verification procedure in SI with no DTCs found and unable to duplic · 2022–2024View diagnostic report →P0D4FCustomer Concern Not Duplicated (CCND) Customer states the engine wont crank or start. Performed related system verification procedure in SI with no DTCs found and unable to duplic · 2022–2024View diagnostic report →P187EDTC section. Revised August 04, 2022 - Removed 2018 and 2019 from Model Year and Added 2023 to Model Year. Revised August 02, 2023 - Removed 2020 from Model Year and Added 2024 to · 2024–2025View diagnostic report →P18E7DTC section. Revised August 04, 2022 - Removed 2018 and 2019 from Model Year and Added 2023 to Model Year. Revised August 02, 2023 - Removed 2020 from Model Year and Added 2024 to · 2024–2025View diagnostic report →P18E8DTC section. Revised August 04, 2022 - Removed 2018 and 2019 from Model Year and Added 2023 to Model Year. Revised August 02, 2023 - Removed 2020 from Model Year and Added 2024 to · 2024View diagnostic report →Service High VoltageService High Voltage · 2024View diagnostic report →Super Cruise UnavailableSuper Cruise Unavailable · 2019–2026View diagnostic report →U0100up devices causing no power in 4WD low range. • Erratic electric power steering boost potentially a · 2011–2025View diagnostic report →U0101up devices causing no power in 4WD low range. • Erratic electric power steering boost potentially associat · 2013–2026View diagnostic report →U0131If the entire bus is impacted (multiple ECUs with comm loss). • Do not replace the front camera. • Diagnose the CAN Bus 2 · 2024–2026View diagnostic report →U0142If customer concern is related to one of the symptoms below, verify cust · 2023–2026View diagnostic report →U0235- Do not replace the front camera. - Diagnose the CAN Bus 8 issue using SI 5199684. - If a module · 2024–2026View diagnostic report →U0265If customer concern is related to one of the symptoms below, verify customers r · 2023–2026View diagnostic report →U0411Correction 1. (This opt · 2019–2026View diagnostic report →U067224-NA-068 GM bulletins are intended fo · 2024View diagnostic report →U1126- Do not replace the front camera. - Diagnose the CAN Bus 8 issue using SI 5199684 · 2024–2026View diagnostic report →U1127- Do not replace the front camera. - Diagnose the CAN Bus 8 issue using SI 5199684. - If a · 2024–2026View diagnostic report →U11FDCreated On 12/12/2025 - Updated Labor Time 01/12/2026 - Updated DTC list · 2023–2026View diagnostic report →U1610If the entire bus is impacted (multiple ECUs with comm loss). • Do not replace the front camera. • Diagnose the CAN Bus 2 issue · 2024–2026View diagnostic report →U1611G111 and/or G112 may not be properly torqued. Correction: Inspect G111 and G112 to confirm t · 2024–2026View diagnostic report →U1615If customer concern is related to one of the symptoms below, verify customers radio is at the · 2023–2026View diagnostic report →U1616Created On 12/12/2025 - Updated Labor Time 01/12/2026 - Updated DTC list · 2023–2026View diagnostic report →U1643G111 and/or G112 may not be properly torqued. Correction: Inspect G111 and G112 to confirm they are torq · 2024–2026View diagnostic report →U164BIf customer concern is related to one of the symptoms below, verify customers radio is · 2023–2026View diagnostic report →U164E: If symptom is related to a phone issue, please also make sure the customers phone is fully u · 2023–2026View diagnostic report →U164FCreated On 12/12/2025 - Updated Labor Time 01/12/2026 - Updated DTC list · 2023–2026View diagnostic report →U1862up devices causing no power in 4WD low range. • Erratic electric power steering boost potentially associated with codes U21 · 2011–2025View diagnostic report →U186Bup devices causing no power in 4WD low range. • Erratic electric power steering boost potentially associated with · 2013–2026View diagnostic report →U1962Correction: The dealer will need to perform the Serial Data Authentication Con gurati · 2024View diagnostic report →U2100Cannot relearn TPM • Specific to Hybrids: – Reduced propulsion power message. – Service high voltage charging system message. Cause If nothing else can be identified as the root ca · 2011–2024View diagnostic report →U2107Cannot relearn TPM • Specific to Hybrids: – Reduced propulsion power message. – Service high voltage charging system message. Cause If nothing else can be identified as the root ca · 2011–2024View diagnostic report →U2109Cannot relearn TPM • Specific to Hybrids: – Reduced propulsion power message. – Service high voltage charging system message. Cause If nothing else can be identified as the root ca · 2011–2024View diagnostic report →U2BF3Please have ready current session log including "Vehicle DTC and ID infor · 2024View diagnostic report →U2BF6Please have ready current session log including "Vehicle DTC and ID information.” This · 2024View diagnostic report →U3000Correction Please update the K73 Telematics · 2024–2026View diagnostic report →U3003G111 and/or G112 may not be properly torqued. Correction: Inspect G111 and G112 to confirm they are torqued to specifications. Re · 2024–2026View diagnostic report →
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EV Diagnostics separates vehicle catalog data from diagnostic applicability. A code is listed as verified for Chevrolet Blazer only when supporting evidence connects that diagnostic identity to the model or its documented model-year range.
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