Whirlpool Stove Repair in Toronto — No spark (igniter failure)

• No spark on a single burner while its neighbours arc clean isolates to that position's surface spark electrode, Whirlpool WPW10515459 (OEM, AP6022541 / PS11755874 / 3449276; replaces W10515459, W11194809, W11246789, shared across the Whirlpool/Maytag/Amana/Inglis/KitchenAid WFG cooking platform). RepairClinic is explicit that the electrode is the failed part when the ceramic/porcelain insulation around the tip cracks, or the tip is carbon- or moisture-fouled, so it won't arc or arcs too weakly to jump the burner gap. We compare against the adjacent burners: if its siblings spark clean and only one position is dead, the WPW10515459 for that burner is the part, not the shared module.
• One burner that won't even begin to click when its knob is turned to LITE - while the others spark normally - is the spark ignition switch behind that knob, Whirlpool WP4157180 (OEM, AP6009138 / PS11742283; replaces 4157180, Y0088874, Y07455200), not the electrode or the module. The switch mounts on the stem of the burner control valve and closes to feed voltage to the spark module; a pitted or stuck-open contact means that position never signals the module, so there is no click and no spark on that one burner. Per RepairClinic, if the other burners are sparking properly the spark ignition switch is the likely fault, so we meter each switch for continuity at the LITE position and condemn the one with no continuity - a dead-burner-only call isn't mis-quoted as an electrode or module job. Note: on many Whirlpool ranges the switches are sold only as a complete switch-and-harness assembly, so we confirm by model/serial whether a single WP4157180 is serviceable before quoting.
• No spark on ANY burner - the touch UI lights but the whole cooktop is silent and dead - after the electrodes and switches test good is the surface-burner spark module, Whirlpool W10110523 (OEM WPW10110523, superseded by W11565127 / W11281168, which we fit interchangeably). One module pulses the high-voltage to every electrode at once, so a shorted module or a stuck internal relay leaves the entire top with no spark. RepairClinic's stated diagnostic order is to check the spark electrode and the spark wire first - and on this single-module platform the spark ignition switch (WP4157180) too - and only condemn the module if those test good, so we replace W10110523 LAST. On this platform a whole-top no-spark is far more often a wet or welded switch than a dead module.
• No spark right after a boil-over or a wet wipe-down - including burners that tick with every knob OFF then go dead - is moisture in the spark switches or under the caps, not a failed electrical part. Whirlpool's own ProductHelp ('Gas Burners are Clicking but Not Lighting') is explicit: you may have moisture in the switches from cleaning or a spill, and the fix is to allow time for the moisture to dry, speeding it by removing the knobs and blowing cool air from a hair blow dryer onto the knob shaft. Water wicking down the knob shaft bridges a WP4157180 switch contact and soaks the electrode, so the spark circuit either stays energized or can't sustain a clean discharge. We dry and re-test first - a $0 dry-out clears a large share of these calls and keeps us from selling a switch or module the range never needed.
• A burner that sparks but the spark jumps to the cap or grate instead of the gas gap reads to the owner as 'no spark at the flame,' but it is a mis-seated or clogged cap, not an ignition-part failure. A boil-over carbonizes the small ports and a cap rotated off its locating pins after cleaning splits the spark path so the electrode never reaches the gas. Whirlpool's guidance is to clear a clogged burner port with a straight pin (do not use a wooden toothpick, and do not enlarge or distort the port) and to reseat the correct cap flush on its base. We lift, brush, clear, and reseat to the pins before condemning any WPW10515459 electrode - another $0 fix that beats a parts swap.
• A weak or absent spark with too wide an electrode-to-burner gap is a positioning issue before it is a dead part: if the electrode sits too far from the burner cap the high-voltage can't jump the gap to the gas. Sears/RepairClinic note that on a difficult ignition you check whether the distance between the electrode and the burner is too large and that a good electrode otherwise arcs cleanly. We confirm the electrode is seated to spec and the spark wire is intact before condemning the WPW10515459 - a part that meters good but arcs to the wrong spot is a seating/gap correction, not a swap.
• A spark module that won't fire cleanly the day it goes in, or a no-spark that returns after a fresh module, points at the receptacle, not the part: the Whirlpool spark module needs correct outlet polarity and a true ground to fire, so a reversed-polarity or ungrounded outlet can leave a good W10110523 sparking erratically or not at all. AppliancePartsPros' Whirlpool spark-module guidance lists confirming the wall outlet polarity is not reversed as a core troubleshooting step, and warns against running the range on a two-prong adapter or extension cord. On any repeat-module or fresh-install no-spark we meter the receptacle for polarity and ground and confirm the range is on a properly grounded outlet, so the new module doesn't fail the same way.

Whirlpool no spark (igniter failure) in Toronto — the local specifics

• The recurring Whirlpool no-spark pattern we see across Toronto is post-cleaning moisture: an owner does a deep wipe-down or a spray-cleaner pass, water wicks down the knob shaft into the spark switches, and the cooktop either ticks non-stop or goes dead on spark. It mimics a failed module, but on these calls a dry-out (knobs off, cool air at the shaft) restores spark far more often than any part - so we dry and re-test before condemning a switch or module. The genuine part failures we do see skew to a single cracked WPW10515459 electrode on one well-used burner, or a welded WP4157180 switch, long before the shared W10110523 module.
• We bring the WP4157180 spark switch, the WPW10515459 surface electrode and a W10110523/W11565127 spark module to these calls, plus a meter for switch continuity and outlet polarity/ground - the kit that lets us isolate moisture vs electrode vs switch vs module and close most Toronto no-spark visits in one trip.

For the full Whirlpool stove module — every fault, part number and code — see Whirlpool stove repair in Toronto, and for the same fault across all brands the stove no spark (igniter failure) guide.