Automotive Electronics, EV & Hybrid Diagnostics
Automotive Electronics, EV & Hybrid Diagnostics
Evidence-led diagnosis of intermittent faults, communication failures and problems affecting multiple vehicle electronics systems.
Understand the different VAG 01309 descriptions and the information needed when steering assistance or controller communication is lost.
01309 Power Steering J500: No Communication After a Warning or Repair Read More »
A published Volt and Ampera example explains why P0AA6 and companion charging codes need vehicle-specific high-voltage diagnosis.
P0AA6 and Hybrid No-Charge Warnings: A Volt and Ampera Bulletin Explained Read More »
VAG 00532 voltage faults need context. Compare affected modules, low and high voltage descriptions, and the history before replacing electronics.
00532 Supply Voltage B+: Local Circuit Fault or Vehicle-Wide Power Problem? Read More »
Understand the different 01316 ABS fault descriptions and the evidence needed before an ABS module repair or replacement enquiry.
VAG 01316: ABS Communication or a Fault Stored in the Brake Controller? Read More »
VAG 00778 can have different fault descriptions. Learn why steering work, calibration history and the ABS system version matter.
00778 Steering Angle Sensor G85: Calibration, Wiring or Mechanical Context? Read More »
Dashboard communication fault? Understand U0155 and VAG 01317, the importance of the reporting module and what to send for diagnosis.
U0155 and 01317: Instrument Cluster Communication Faults Read More »
A key that will not unlock and a key that will not start need different checks. Understand VAG 01176 and prepare a useful diagnosis enquiry.
01176 Key Signal Too Low: Remote Locking and Immobiliser Diagnosis Read More »
MAP pressure codes need a circuit and plausibility check. Learn what to record before replacing another sensor or sending an ECU for testing.
P0105-P0109: MAP Pressure Readings, Wiring and ECU Inputs Read More »
Cold-start problems and glow-plug codes explained, including individual circuits, module supplies and the details to save before diagnosis.
P0670 and P0671-P0674: Glow-Plug Module or Individual Circuit? Read More »
Brake-switch codes can affect more than the lamps. Learn which observations help distinguish a switch, wiring or body-electronics fault.
P0571, P0572 and P0573: Brake-Switch Signals and Electrical Warnings Read More »