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P1522 fault code: what it means

P1522: Bank 2 camshaft timing adjustment is not working on a V6/V8. Power and smoothness drop.

Engine and gearbox (powertrain) · Costly if missed

Usual causes, most likely first

  1. faulty camshaft adjuster unit (N208)
  2. wiring fault to N208 or G163
  3. camshaft sensor (G163) fault

P1522 by make

Audi

Bank 2 camshaft timing adjustment is not working on a V6/V8. Power and smoothness drop.

Usual causes: faulty camshaft adjuster unit (N208); wiring fault to N208 or G163; camshaft sensor (G163) fault

Honda

Brake booster pressure sensor circuit low. Brake assist monitoring is affected; brakes may feel different.

Usual causes: brake booster pressure sensor; vacuum hose leak; wiring fault

Volkswagen

Bank 2 camshaft timing adjustment is not working on a V6/V8. Power and smoothness drop.

Usual causes: faulty camshaft adjuster unit (N208); wiring fault to N208 or G163; camshaft sensor (G163) fault

What the repair usually costs

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Before you clear it

Write the code down or photograph the scanner first. A code that comes straight back after clearing points to a fault that is still there. A car whose codes were cleared just before you arrived may be hiding one: the scanner's readiness monitors show "not ready" for a while after codes are cleared.

Researched by Credov from manufacturer and workshop sources. A fault code points to where a fault may be; a workshop confirms it with a diagnosis. Browse all fault codes.