U3004 – Accessory Power Relay
What are the Possible Causes of the Code U3004? Accessory Power Relay harness is open or shorted Accessory Power Relay circuit poor electrical connection Need help with this OBD II code? Our mechanics are available within west Michigan to help. Outside of our service area? Visit our Car Help Section where you can ask questions…
U3005 – Retained Accessory Power
The ODBII code U3005 indicates a malfunction in the Retained Accessory Power (RAP) system, which controls power to certain electrical accessories after the ignition is turned off. The severity of ODBII code U3005 is moderate. Common Causes For: U3003 Battery Voltage U3004 Accessory Power Relay Faulty body control module (BCM) Wiring issues or short circuits…
U3006 – Control Module Input Power A
The ODBII code U3006 indicates a problem with the power supply to a control module, specifically related to the “A” circuit, which may involve issues like low voltage, high resistance, or a malfunctioning control module. The severity of ODBII code U3006 is moderate. Common Causes For: U3005 Retained Accessory Power Faulty control module Poor electrical…
U3007 – Control Module Input Power B
The ODBII code U3007 indicates a problem with the control module input power “B,” suggesting an issue with the power supply or communication to a specific control module in the vehicle. The severity of ODBII code U3007 is moderate. Common Causes For: U3006 Control Module Input Power “A Faulty control module Poor electrical connections Damaged…
U3008 – Control Module Ground A
The ODBII code U3008 indicates a problem with the ground circuit for Control Module “A,” which may affect the operation of that module and related systems. The severity of ODBII code U3008 is moderate. Common Causes For: U3007 Control Module Input Power “B Poor ground connection Corroded or damaged ground wires Faulty control module Short…
U3009 – Control Module Ground “B”
The ODBII code U3009 indicates a problem with the ground circuit for Control Module “B,” which can affect the operation of various electronic components in the vehicle. The severity of ODBII code U3009 is moderate. Common Causes For: U3008 Control Module Ground “A Faulty ground connection Damaged wiring or connectors Corroded terminals Short circuit in…
U300A – Ignition Switch
The ODBII code U300A indicates a communication issue related to the ignition switch circuit, often signaling a malfunction in the ignition switch or its associated wiring. The severity of ODBII code U300A is moderate. Common Causes For: U3009 Control Module Ground “B Faulty ignition switch Wiring issues or short circuits Poor electrical connections Malfunctioning body…
U300B – Ignition Input Accessory/On/Start
The ODBII code U300B indicates a problem with the ignition input signal related to the accessory, on, or start positions, suggesting a potential issue with the ignition switch or related wiring. The severity of ODBII code U300B is moderate. Common Causes For: U300A Ignition Switch Faulty ignition switch Wiring issues or short circuits Poor connections…
U300C – Ignition Input Off/On/Start
The ODBII code U300C indicates a communication issue related to the ignition input signal, specifically that the ignition status is not being detected correctly (either off or on/start) by the vehicle’s control modules. The severity of ODBII code U300C is moderate. Common Causes For: U300B Ignition Input Accessory/On/Start Faulty ignition switch Wiring issues or short…
U300D – Ignition Input On/Start
The ODBII code U300D indicates a communication issue related to the ignition input signal, specifically that the ignition is detected as being on or in the start position when it shouldn’t be. The severity of ODBII code U300D is moderate. Common Causes For: U300C Ignition Input Off/On/Start Faulty ignition switch Wiring issues or short circuits…