What Does B1453 Mean?
This code indicates the Body Control Module (BCM) has detected a short to ground in the wiper washer/delay switch circuit. The BCM monitors the resistance and voltage signals from the multifunction wiper switch, and when voltage drops below expected threshold due to a ground fault, this code sets. This affects the windshield wiper system's ability to communicate switch position to the control module.
Common Causes
40%
Damaged or chafed wiring harness between multifunction switch and BCM causing wire insulation failure and grounding
30%
Failed multifunction wiper/washer switch with internal short to ground
20%
Corroded or moisture-damaged connector terminals at multifunction switch or BCM causing ground path
10%
Failed Body Control Module with internal circuit fault
Diagnostic Steps
1
Step 1: Perform visual inspection of the multifunction switch connector and wiring harness in the steering column area for obvious damage, chafing, or moisture intrusion. Check all connectors for corrosion, pushed-back pins, or evidence of water damage
2
Step 2: Disconnect the multifunction switch connector and measure resistance from the wiper switch signal wire to ground with a digital multimeter. Should read OL (open/infinite resistance). If reading shows continuity or low resistance, wiring harness has a short to ground between switch and BCM
3
Step 3: With switch disconnected, check resistance across the switch terminals while cycling through wiper positions per manufacturer specifications. Compare readings to normal values (typically 100-10k ohms depending on position). If any position shows direct ground or 0 ohms when not specified, switch is internally shorted
4
Step 4: If wiring and switch test normal, disconnect BCM connector and measure resistance from the wiper switch signal circuit pin at BCM harness side to ground. Should read OL. If continuity exists, repair short in harness between switch and BCM
5
Step 5: If all circuits test normal, suspect BCM internal fault. Reconnect all components, clear codes, and retest. If code returns immediately without input, replace BCM and reprogram as needed
6
Step 6: After repair, verify proper wiper operation in all switch positions (off, intermittent, low, high, washer) and confirm no codes return
Estimated Repair Cost
$75 - $600
Parts + labor, varies by vehicle and location
This code indicates the Body Control Module (BCM) has detected a short to ground in the wiper washer/delay switch circuit. The BCM monitors the resistance and voltage signals from the multifunction wiper switch, and when voltage drops below expected threshold due to a ground fault, this code sets. T...
The most common cause of B1453 (Wiper Wash/Delay Switch Circuit Short To Ground) is: Damaged or chafed wiring harness between multifunction switch and BCM causing wire insulation failure and grounding
Typical repair costs for B1453 range from $75 to $600, depending on the vehicle, location, and whether you do it yourself or go to a shop.
Vehicle is safe to drive, but windshield wiper function may be impaired or inoperative, which creates significant safety risk in rain or snow. Repair should be completed before driving in adverse weather conditions.
Start by connecting an OBD2 scanner to read the code and any freeze frame data. Then follow the diagnostic steps specific to B1453 to identify the root cause.
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Quick Info
Category
Body
System
Windshield Wiper/Washer System
Difficulty
Type
Manufacturer
Recommended Tools
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