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CUSTOMER CONCERN Customer states the ABS warning light is on. DTCs C1321, C1475 and U2023 are stored. CAUSE No external brake-fluid leaks were found, confirming an internal failure of the ABS hydraulic unit/control module assembly. CORRECTION Remove and replace ABS hydraulic control unit/control module assembly. Program module, perform hybrid ABS bleed procedure and clear DTCs.

CUSTOMER CONCERN Customer states the engine will not crank and the Stop Safely Now message is displayed. DTCs P0B37 and P1A10 are stored. CAUSE Inspection confirmed the high-voltage battery service disconnect handle was not fully latched, leaving the interlock circuit open. CORRECTION Correctly seat and latch high-voltage battery service disconnect. Clear hybrid-system DTCs and verify normal starting operation.

CUSTOMER CONCERN Customer states the ignition key intermittently becomes difficult to turn into the start position, even after the lock cylinder and ignition switch were replaced. CAUSE Inspection under TSB 09-19-15 confirmed the steering-column lock module housing was binding the ignition mechanism. CORRECTION Remove and replace steering-column lock module. Verify smooth key rotation and normal starting operation.

CUSTOMER CONCERN Customer states the engine stalls when stopping instead of completing a normal Auto Stop. Multiple ECM, HPCM and TCM communication DTCs are stored. CAUSE Inspection following bulletin 08-07-30-021H confirmed chafed high-speed CAN wiring causing intermittent module communication loss. CORRECTION Repair chafed high-speed CAN wiring and protect harness from repeat contact. Clear communication DTCs and verify normal Auto Stop operation.

CUSTOMER CONCERN Customer states the check-engine light is on. DTC P0420 is stored. CAUSE Exhaust-manifold, misfire, coolant-consumption and fuel-trim checks confirmed the catalytic converter was below efficiency. CORRECTION Remove and replace catalytic converter. Clear DTC P0420 and verify catalyst-monitor operation.

CUSTOMER CONCERN Customer states the engine idles too high after the throttle-body bore was cleaned. No DTCs are stored. CAUSE Throttle-body cleaning changed the effective airflow at the learned throttle position, leaving the idle adaptation out of range. CORRECTION Perform idle-learn reset with a compatible scan tool. Verify commanded and actual idle speed.

CUSTOMER CONCERN Customer states the check-engine light is on. DTCs P0013 and P0014 are stored. CAUSE Resistance testing found the exhaust camshaft position actuator solenoid outside the specified 5–9 ohm range, confirming solenoid failure. CORRECTION Remove and replace exhaust camshaft position actuator solenoid. Clear DTCs and verify camshaft timing operation.

CUSTOMER CONCERN Customer states the malfunction indicator light is on, the engine surges at idle and raw fuel odor is present. DTC P0171 is stored. CAUSE Testing with the front oxygen sensor isolated confirmed an exhaust leak from a cracked exhaust manifold was altering fuel-control feedback. CORRECTION Remove and replace exhaust manifold. Repair exhaust leaks, clear DTC P0171 and verify stable idle operation.

CUSTOMER CONCERN Customer states the brake lights intermittently remain on. DTCs C0561 and C0161 are stored. CAUSE Brake-booster alignment caused incorrect brake-switch operation, confirming a misadjusted booster-to-cowl mounting position. CORRECTION Remove brake booster, install specified spacing washers on the booster studs and reinstall booster. Clear brake DTCs and verify brake-light operation.

CUSTOMER CONCERN Customer states one or both HID headlights shut off after operating for several minutes and return when the headlight switch is cycled. CAUSE Power and ground tested correctly at the headlamp assemblies, confirming the HID bulbs were drawing incorrect current and triggering ballast shutdown. CORRECTION Remove and replace failed HID headlight bulbs. Verify both low-beam headlights remain illuminated.