Fault code lookup

DENZA fault codes

Coverage shown is BYD data: 7,677 codes · 97 vehicle records · 71 ECU records · 0 live-data parameters.

DENZA shares fault-code data with BYD. Data may not cover DENZA-specific systems.

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Codes 7,677

CodeDescriptionBrandsSystem
P1840Transfer case shift motor circuit short to battery27Powertrain
P1841Short circuit to negative29Powertrain
P1842Short circuit to negative29Powertrain
P1843Short circuit to negative27Powertrain
P1844Short circuit to negative28Powertrain
P1845Short circuit to negative27Powertrain
P1846Short circuit to negative21Powertrain
P1847Transfer Case Contact Plate 'A' Open Circuit23Powertrain
P1848SMG: Position sensor, shift travel24Powertrain
P1900Battery Voltage Reduction31Powertrain
P1901Main Battery Voltage Reduction31Powertrain
P1902Sub Battery Voltage Reduction29Powertrain
P1A00APS (main) power supply circuit15Powertrain
P1A01Generator Brake Performance20Powertrain
P1A02Transmission One Way Clutch Performance17Powertrain
P1A03Drive Motor A Shutdown Circuit18Powertrain
P1A04Generator Shutdown Circuit17Powertrain
P1A05Desired engine speed signal18Powertrain
P1A06Vehicle Mode Signal17Powertrain
P1A07Inverter High Voltage Performance16Powertrain
P1A08Generator Mode Signal16Powertrain
P1A09Hybrid Battery Power Off Signal10Powertrain
P1A0AImmediate shutdown signal16Powertrain
P1A0BHybrid battery power limit exceeded15Powertrain
P1A0CHybrid Powertrain Control Module - Engine Disabled14Powertrain
P1A0DHybrid Powertrain Control Module - Generator Disabled14Powertrain
P1A0EHybrid Powertrain Control Module - Motor Disabled17Powertrain
P1A0FBattery energy control module Hybrid/EV battery voltage sensor circuit high voltage17Powertrain
P1A10Hybrid Powertrain Control Module - Battery Disabled13Powertrain
P1A11Hybrid Powertrain Control Module - One Way Clutch Disabled9Powertrain
P1A12Hybrid Powertrain Control Module - Generator Brake Disabled10Powertrain
P1A13Hybrid Powertrain Control Module - Regenerative Braking Disabled12Powertrain
P1A14Hybrid Powertrain Control Module - Transmission Disabled10Powertrain
P1A15Immediate Shutdown Signal B10Powertrain
P1A16Variable Voltage Controller Voltage Control Circuit11Powertrain
P1A17Variable Voltage Controller Processor13Powertrain
P1A18Variable Voltage Controller Inductor Temperature Sensor Circuit10Powertrain
P1A19Variable Voltage Controller Driver Temperature Sensor Circuit9Powertrain
P1A1AVariable Voltage Controller Over Temperature10Powertrain
P1A1BBrake System Control Module - Forced Engine Running9Powertrain
P1A1CCheck the if the DTC 'P0ABC' or '' for Bus and Pack voltage sensor - out of range - low has been set. If so, then replace the battery pack because it might be the bus or pack voltage sensor fault9Powertrain
P1A1DCheck the if the DTC 'P0ABD' or '' for Bus and Pack voltage sensor - out of range - high has been set. If so, then replace the battery pack because it might be the bus or pack voltage sensor fault8Powertrain
P1A1EHybrid/electric vehicle battery - Contactor - Open circuit12Powertrain
P1A1FHybrid/electric vehicle battery - Contactor - Circuit range/performance11Powertrain
P1A20Key position output circuit low17Powertrain
P1A21Hybrid/electric vehicle battery - Water intrusion detected16Powertrain
P1A22Hybrid/EV DC Bus 'A' Shorted15Powertrain
P1A23BIC4 temperature sampling disconnection fault15Powertrain
P1A24BIC5 temperature sampling disconnection fault9Powertrain
P1A25Discharge ON timeout (MCU)12Powertrain

Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.

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