Heating & Air Conditioning - DTCS B1912-15 To U2031-87

• DTC Troubleshooting
  • B1912-15-Treated Air Temperature Sensor Input Vent Right Side - Circuit Short To Battery Or Open
    • Notes
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B1913-11-Treated Air Temperature Sensor Input Floor Right Side - Circuit Short To Ground
    • Notes
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B1913-15-Treated Air Temperature Sensor Input Floor Right Side - Circuit Short To Battery Or Open
    • Notes
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B1914-11-Treated Air Temperature Sensor Input Vent Left Side - Circuit Short To Ground
    • Notes
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B1914-15-Treated Air Temperature Sensor Input Vent Left Side - Circuit Short To Battery Or Open
    • Notes
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B1915-11-Treated Air Temperature Sensor Input Floor Left Side - Circuit Short To Ground
    • Notes
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B1915-15-Treated Air Temperature Sensor Input Floor Left Side - Circuit Short To Battery Or Open
    • Notes
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B1916-11-Evaporator Temperature Sensor - Circuit Short To Ground
    • Notes
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B1916-15-Evaporator Temperature Sensor - Circuit Short To Battery Or Open
    • Notes
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B1917-11-Internal Temperature Sensor - Circuit Short To Ground
    • Notes
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B1917-15-Internal Temperature Sensor - Circuit Short To Battery Or Open
    • Notes
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B1919-11-Blower Module - Circuit Short To Ground
    • Notes
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B1919-12-Blower Module - Circuit Short To Battery
    • Notes
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B1919-14-Blower Module - Circuit Short To Ground Or Open
    • Notes
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B1919-15-Blower Module - Circuit Short To Battery Or Open
    • Notes
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B1919-1C-Blower Module - Circuit Voltage Out Of Range
    • Notes
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B1923-42-Ram ROM EEPROM - Etc Internal Failure - General Memory Failure
    • Notes
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1924-49-Keyboard - Jammed Key Internal Electronic Failure
    • Notes
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1926-11-Motors Positioning Feedback POWERSUPPLY - Circuit Short To Ground
    • Notes
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1926-12-Motors Positioning Feedback POWERSUPPLY - Circuit Short To Battery
    • Notes
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1931-11-PTC Low Power Relay Driving Command Output - Circuit Short To Ground
    • Notes
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B1931-15-PTC Low Power Relay Driving Command Output - Circuit Short To Battery Or Open
    • Notes
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B1932-11-PTC High Power Relay Driving Command Output - Circuit Short To Ground
    • Notes
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B1932-15-PTC High Power Relay Driving Command Output - Circuit Short To Battery Or Open
    • Notes
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B1933-11-ECVD Command - Circuit Short To Ground
    • Notes
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B1933-15-ECVD Command - Circuit Short To Battery Or Open
    • Notes
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B1935-11-RECIRCULATION Motor Feedback - Circuit Short To Ground
    • Notes
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1935-15-RECIRCULATION Motor Feedback - Circuit Short To Battery Or Open
    • Notes
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1940-54 - Motors End Of Travel Self Learning - Missing Calibration
    • Notes
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • P1946-00-Crash Event Detected - Engine Shutdown
    • Notes
    • When Monitored And Set Conditions
    • Diagnostic Test
  • B2107-16-Ignition Switch-Circuit Voltage Below Threshold
    • Notes
    • Theory Of Operation
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B2107-17-Ignition Switch-Circuit Voltage Above Threshold
    • Notes
    • Theory Of Operation
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B210D-84-Battery Voltage Low-Signal Below Allowable Range
    • Notes
    • Theory Of Operation
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B210E-85-Battery Voltage High-Signal Above Allowable Range
    • Notes
    • Theory Of Operation
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B2111-11-5 Volt Supply-Circuit Short To Ground
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B2111-12-5 Volt Supply-Circuit Short To Battery
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B21DD-84-System Voltage-Signal Below Allowable Range
    • Notes
    • Theory Of Operation
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B21DD-85-System Voltage-Signal Above Allowable Range
    • Notes
    • Theory Of Operation
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B222A-00-Vehicle Line Mismatch-
    • Notes
    • Theory Of Operation
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • U0001-87-Can Line-Missing Message
  • U0001-88-Can Line-Bus Off
  • U0011-00-Can Interior Bus Off Performance
    • Notes
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • U0140-08-Lost Communication With Body Control MODULEBUS Signal - Message Failures
  • U0155-00-Lost Communication With Cluster-CCN
  • U0184-00-Lost Communication With Radio
  • U0422-00-Invalid Data Received From Body Control Module
  • U0423-00-Implausible Data Received From Cluster-CCN
  • U0485-00-Implausible Data Received From Radio
  • U11B8-00 Lost Communication With Integrated Center Stack (Ics)
  • U1480-00-Implausible Data Received From Integrated Center Stack-
  • U1700-86-Body Computer Module (BCM) - Signal Invalid
  • U1700-87-Body Control Module (BCM) - Missing Message
  • U1703-86-IPC (Instrument Panel Cluster) - Signal Invalid
  • U1703-87-Instrument Panel Cluster (IPC) - Missing Message
  • U1930-64-MCM_OPERATIONALMODESTS.Info - Signal PLAUSABILITY Failure
  • U1930-86-ACM-OPERATIONALMODESTSINFO - Invalid Signal
  • U1931-87-Trip-A-B Message - Missing Message
  • U1932-86-Status-BH-BCM1 Message 3 - Invalid Signal
  • U1932-87-Status-BH-BCM1 Message 3 - Missing Message
  • U1934-87-Status-BH-BCM1 Message And Status-BH-BCM2 Message - Missing Message
  • U2001-87-Body 6 Message - Missing Message
  • U2002-87-Humidity Sensor Hr Message - Missing Message
  • U2003-87-Status_BH_BCM1 Message 1-Missing Message
  • U2004-87-Status_BH_BCM1 Message 2-Missing Message
  • U2005-87-Status_BH_BCM2 Message 1-Missing Message
  • U2006-87-Status_BH_BCM2 Message 2-Missing Message
  • U2007-64-Status_CCAN 3 Message - Signal PLAUSABILITY Failure
  • U2007-87-Status_CCAN3 - Missing Message
  • U2008-87-VIN Message - Missing Message
  • U2021-87-External Temperature Message 1 - Missing Message
  • U2022-87-External Temperature Message 2 - Missing Message
  • U2024-87-Compressor Status Message - Missing Message
  • U2025-87-Engine Status Message - Missing Message
  • U2026-87-Engine Water Temperature Message 1 - Missing Message
  • U2027-87-Engine Water Temperature Message 2 - Missing Message
  • U2028-87-Air Conditioner Pressure Message - Missing Message
  • U2029-87-Vehicle Speed Message - Missing Message
  • U2030-87-Engine Speed Message 1 - Missing Message
  • U2031-87-Engine Speed Message 2 - Missing Message