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 communication faults 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.
Understanding the Volt and Ampera bulletin for P0AA6 and no-charge warnings Read More »
VAG 00532 voltage faults need context. Compare affected modules, low and high voltage descriptions, and the history before replacing electronics.
Distinguishing local and vehicle-wide supply faults with 00532 B+ Read More »
VAG 00778 can have different fault descriptions. Learn why steering work, calibration history and the ABS system version matter.
Checking calibration, wiring and alignment with 00778 steering angle sensor G85 faults Read More »
Understand the different 01316 ABS fault descriptions and the evidence needed before an ABS module repair or replacement enquiry.
Understanding VAG 01316 brake-controller fault descriptions Read More »
Dashboard communication fault? Understand U0155 and VAG 01317, the importance of the reporting module and what to send for diagnosis.
Instrument cluster communication faults U0155 and 01317 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 in 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.
MAP sensor readings and wiring with P0105-P0109 faults Read More »
Cold-start problems and glow-plug codes explained, including individual circuits, module supplies and the details to save before diagnosis.
Checking glow-plug module and circuit faults P0670 and P0671-P0674 Read More »
Brake-switch codes can affect more than the lamps. Learn which observations help distinguish a switch, wiring or body-electronics fault.
Brake-switch signal faults P0571, P0572 and P0573 Read More »