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hondavert-dev/lib/core/protocol/dtc_map.dart
HVBT Dev 11cf7c2b63 v1.0.1 — Phase 1 complete + BT connection test UI 
- Phase 1 core protocol: temp_table, neg8, sensor_state, s300_parser,
  kpro_parser, dtc_map, sensor_defs (50/50 tests passing)
- BT layer: bt_service.dart, bt_poller.dart (100ms poll, NEG8 validation)
- Connection test UI: device picker, protocol selector, live sensor screen
  with LIVE DATA + DEBUG LOG tabs
- Runtime BT permission request (Android 12+) + auto-enable Bluetooth
- Android: minSdk=26, all BT+location permissions in manifest
- Fixed flutter_bluetooth_serial namespace for AGP compatibility
2026-04-12 18:07:37 +05:30

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/// DTC maps for S300 and KPro ECU protocols.
///
/// Key format: 'ERRxx_bity' where xx = byte index (00-based), y = bit number (0=LSB).
/// Value: 'Pxxxx — description'
library;
/// S300 DTC map (ERR00–ERR03, 4 bytes × 8 bits = 32 possible codes)
const Map<String, String> s300DtcMap = {
// ERR00 (byte 0x31)
'ERR00_bit0': 'P0130 — O2 Sensor (front)',
'ERR00_bit1': 'P0135 — O2 Sensor Heater (front)',
'ERR00_bit2': 'P0505 — Idle Air Control Valve',
'ERR00_bit3': 'P0108 — MAP Sensor High',
'ERR00_bit4': 'P0107 — MAP Sensor Low',
'ERR00_bit5': 'P0113 — IAT Sensor High',
'ERR00_bit6': 'P0112 — IAT Sensor Low',
'ERR00_bit7': 'P0118 — ECT Sensor High',
// ERR01 (byte 0x32)
'ERR01_bit0': 'P0117 — ECT Sensor Low',
'ERR01_bit1': 'P0336 — CKP Sensor',
'ERR01_bit2': 'P0341 — CMP Sensor',
'ERR01_bit3': 'P1362 — TDC Sensor (No Signal)',
'ERR01_bit4': 'P1363 — TDC Sensor (No Signal 2)',
'ERR01_bit5': 'P0335 — CKP Sensor (No Signal)',
'ERR01_bit6': 'P1361 — TDC Sensor',
'ERR01_bit7': 'P0300 — Random Misfire',
// ERR02 (byte 0x33)
'ERR02_bit0': 'P0301 — Misfire Cylinder 1',
'ERR02_bit1': 'P0302 — Misfire Cylinder 2',
'ERR02_bit2': 'P0303 — Misfire Cylinder 3',
'ERR02_bit3': 'P0304 — Misfire Cylinder 4',
'ERR02_bit4': 'P1259 — VTEC System Malfunction',
'ERR02_bit5': 'P0420 — Catalyst System Low Efficiency',
'ERR02_bit6': 'P0401 — EGR Insufficient Flow',
'ERR02_bit7': 'P1456 — EVAP Leak (large) Fuel Tank Side',
// ERR03 (byte 0x34)
'ERR03_bit0': 'P1457 — EVAP Leak (large) Canister Side',
'ERR03_bit1': 'P0498 — EVAP Canister Vent Shut Valve',
'ERR03_bit2': 'P0497 — EVAP Low Purge Flow',
'ERR03_bit3': 'P0122 — TPS Sensor Low',
'ERR03_bit4': 'P0123 — TPS Sensor High',
'ERR03_bit5': 'P0562 — Battery Voltage Low',
'ERR03_bit6': 'P0563 — Battery Voltage High',
'ERR03_bit7': 'P1607 — PCM Internal Circuit',
};
/// KPro DTC map (ERR00–ERR17, 18 bytes × 8 bits = 144 possible codes)
const Map<String, String> kproDtcMap = {
// ERR00
'ERR00_bit0': 'P0130 — O2 Sensor (front)',
'ERR00_bit1': 'P0135 — O2 Sensor Heater (front)',
'ERR00_bit2': 'P0505 — Idle Air Control Valve',
'ERR00_bit3': 'P0108 — MAP Sensor High',
'ERR00_bit4': 'P0107 — MAP Sensor Low',
'ERR00_bit5': 'P0113 — IAT Sensor High',
'ERR00_bit6': 'P0112 — IAT Sensor Low',
'ERR00_bit7': 'P0118 — ECT Sensor High',
// ERR01
'ERR01_bit0': 'P0117 — ECT Sensor Low',
'ERR01_bit1': 'P0336 — CKP Sensor',
'ERR01_bit2': 'P0341 — CMP Sensor',
'ERR01_bit3': 'P1362 — TDC Sensor (No Signal)',
'ERR01_bit4': 'P1363 — TDC Sensor (No Signal 2)',
'ERR01_bit5': 'P0335 — CKP Sensor (No Signal)',
'ERR01_bit6': 'P1361 — TDC Sensor',
'ERR01_bit7': 'P0300 — Random Misfire',
// ERR02
'ERR02_bit0': 'P0301 — Misfire Cylinder 1',
'ERR02_bit1': 'P0302 — Misfire Cylinder 2',
'ERR02_bit2': 'P0303 — Misfire Cylinder 3',
'ERR02_bit3': 'P0304 — Misfire Cylinder 4',
'ERR02_bit4': 'P1259 — VTEC System Malfunction',
'ERR02_bit5': 'P0420 — Catalyst System Low Efficiency',
'ERR02_bit6': 'P0401 — EGR Insufficient Flow',
'ERR02_bit7': 'P1456 — EVAP Leak (large) Fuel Tank Side',
// ERR03
'ERR03_bit0': 'P1457 — EVAP Leak (large) Canister Side',
'ERR03_bit1': 'P0498 — EVAP Canister Vent Shut Valve',
'ERR03_bit2': 'P0497 — EVAP Low Purge Flow',
'ERR03_bit3': 'P0122 — TPS Sensor Low',
'ERR03_bit4': 'P0123 — TPS Sensor High',
'ERR03_bit5': 'P0562 — Battery Voltage Low',
'ERR03_bit6': 'P0563 — Battery Voltage High',
'ERR03_bit7': 'P1607 — PCM Internal Circuit',
// ERR04
'ERR04_bit0': 'P0136 — O2 Sensor (rear)',
'ERR04_bit1': 'P0141 — O2 Sensor Heater (rear)',
'ERR04_bit2': 'P1166 — Air Fuel Ratio (A/F) Sensor Heater',
'ERR04_bit3': 'P1167 — Air Fuel Ratio (A/F) Sensor',
'ERR04_bit4': 'P2195 — A/F Sensor Signal Stuck Lean',
'ERR04_bit5': 'P2196 — A/F Sensor Signal Stuck Rich',
'ERR04_bit6': 'P2237 — A/F Sensor Pump Cell Current Input Low',
'ERR04_bit7': 'P2240 — A/F Sensor Pump Cell Current Input High',
// ERR05
'ERR05_bit0': 'P2243 — A/F Sensor Reference Voltage Low',
'ERR05_bit1': 'P2247 — A/F Sensor Reference Voltage High',
'ERR05_bit2': 'P2251 — A/F Sensor VS Cell Voltage Low',
'ERR05_bit3': 'P2254 — A/F Sensor VS Cell Voltage High',
'ERR05_bit4': 'P0031 — O2 Sensor Heater Current Low (bank 1, sensor 1)',
'ERR05_bit5': 'P0032 — O2 Sensor Heater Current High (bank 1, sensor 1)',
'ERR05_bit6': 'P0037 — O2 Sensor Heater Current Low (bank 1, sensor 2)',
'ERR05_bit7': 'P0038 — O2 Sensor Heater Current High (bank 1, sensor 2)',
// ERR06
'ERR06_bit0': 'P0068 — MAP/MAF vs Throttle Position Correlation',
'ERR06_bit1': 'P0101 — MAF Sensor Range/Performance',
'ERR06_bit2': 'P0102 — MAF Sensor Low Input',
'ERR06_bit3': 'P0103 — MAF Sensor High Input',
'ERR06_bit4': 'P0171 — System Lean (bank 1)',
'ERR06_bit5': 'P0172 — System Rich (bank 1)',
'ERR06_bit6': 'P0174 — System Lean (bank 2)',
'ERR06_bit7': 'P0175 — System Rich (bank 2)',
// ERR07
'ERR07_bit0': 'P0325 — Knock Sensor',
'ERR07_bit1': 'P0330 — Knock Sensor 2',
'ERR07_bit2': 'P0339 — CKP Sensor Intermittent',
'ERR07_bit3': 'P0344 — CMP Sensor Intermittent',
'ERR07_bit4': 'P0365 — CMP Sensor B Circuit',
'ERR07_bit5': 'P0390 — CMP Sensor B Circuit (bank 2)',
'ERR07_bit6': 'P0498 — EVAP Canister Vent Shut Valve Low',
'ERR07_bit7': 'P0499 — EVAP Canister Vent Shut Valve High',
// ERR08
'ERR08_bit0': 'P0600 — Serial Communication Link',
'ERR08_bit1': 'P0601 — Internal Control Module Memory',
'ERR08_bit2': 'P0604 — Internal Control Module RAM',
'ERR08_bit3': 'P0605 — Internal Control Module ROM',
'ERR08_bit4': 'P0657 — Actuator Supply Voltage A Open',
'ERR08_bit5': 'P0685 — ECM/PCM Power Relay Control Open',
'ERR08_bit6': 'P0691 — Fan 1 Control Circuit Low',
'ERR08_bit7': 'P0692 — Fan 1 Control Circuit High',
// ERR09
'ERR09_bit0': 'P0693 — Fan 2 Control Circuit Low',
'ERR09_bit1': 'P0694 — Fan 2 Control Circuit High',
'ERR09_bit2': 'P1454 — EVAP Pressure Sensor Range/Performance',
'ERR09_bit3': 'P1455 — EVAP Leak (small)',
'ERR09_bit4': 'P1508 — IAC Valve Circuit Low',
'ERR09_bit5': 'P1509 — IAC Valve Circuit High',
'ERR09_bit6': 'P1519 — Idle Air Control Valve Stuck',
'ERR09_bit7': 'P1706 — A/T Range Switch Out Of Range',
// ERR10
'ERR10_bit0': 'P2101 — Throttle Actuator Control Motor Range',
'ERR10_bit1': 'P2118 — Throttle Actuator Control Motor Current Range',
'ERR10_bit2': 'P2119 — Throttle Actuator Control Throttle Body Range',
'ERR10_bit3': 'P2122 — Throttle/Pedal Position Sensor D Low Input',
'ERR10_bit4': 'P2123 — Throttle/Pedal Position Sensor D High Input',
'ERR10_bit5': 'P2127 — Throttle/Pedal Position Sensor E Low Input',
'ERR10_bit6': 'P2128 — Throttle/Pedal Position Sensor E High Input',
'ERR10_bit7': 'P2135 — Throttle/Pedal Position Sensor A/B Voltage Correlation',
// ERR11
'ERR11_bit0': 'P2138 — Throttle/Pedal Position Sensor D/E Voltage Correlation',
'ERR11_bit1': 'P2176 — Throttle Actuator Control System Idle Position Not Learned',
'ERR11_bit2': 'P2227 — Barometric Pressure Sensor A Circuit Range',
'ERR11_bit3': 'P2228 — Barometric Pressure Sensor A Circuit Low',
'ERR11_bit4': 'P2229 — Barometric Pressure Sensor A Circuit High',
'ERR11_bit5': 'P2610 — ECM/PCM Internal Engine Off Timer',
'ERR11_bit6': 'P2647 — VTEC System High (bank 1)',
'ERR11_bit7': 'P2648 — VTEC System Low (bank 1)',
// ERR12
'ERR12_bit0': 'P2649 — VTEC System High (bank 2)',
'ERR12_bit1': 'P2650 — VTEC System Low (bank 2)',
'ERR12_bit2': 'P3400 — VTEC System Stuck Off (bank 1)',
'ERR12_bit3': 'P3497 — VTEC System Stuck Off (bank 2)',
'ERR12_bit4': 'U0073 — Control Module Communication Bus Off',
'ERR12_bit5': 'U0100 — Lost Communication With ECM/PCM A',
'ERR12_bit6': 'U0155 — Lost Communication With Instrument Panel Cluster',
'ERR12_bit7': 'U0164 — Lost Communication With HVAC Control Module',
// ERR13
'ERR13_bit0': 'P0011 — Camshaft Position A — Timing Over-Advanced (bank 1)',
'ERR13_bit1': 'P0012 — Camshaft Position A — Timing Over-Retarded (bank 1)',
'ERR13_bit2': 'P0021 — Camshaft Position B — Timing Over-Advanced (bank 1)',
'ERR13_bit3': 'P0022 — Camshaft Position B — Timing Over-Retarded (bank 1)',
'ERR13_bit4': 'P0340 — CMP Sensor A Circuit (bank 1)',
'ERR13_bit5': 'P0345 — CMP Sensor A Circuit (bank 2)',
'ERR13_bit6': 'P0366 — CMP Sensor B Circuit Range/Performance (bank 1)',
'ERR13_bit7': 'P0391 — CMP Sensor B Circuit Range/Performance (bank 2)',
// ERR14
'ERR14_bit0': 'P0016 — Crankshaft/Camshaft Position Correlation (bank 1, sensor A)',
'ERR14_bit1': 'P0017 — Crankshaft/Camshaft Position Correlation (bank 1, sensor B)',
'ERR14_bit2': 'P0018 — Crankshaft/Camshaft Position Correlation (bank 2, sensor A)',
'ERR14_bit3': 'P0019 — Crankshaft/Camshaft Position Correlation (bank 2, sensor B)',
'ERR14_bit4': 'P0008 — Engine Position System (bank 1)',
'ERR14_bit5': 'P0009 — Engine Position System (bank 2)',
'ERR14_bit6': 'P0014 — Camshaft Position B — Timing Over-Advanced (bank 1)',
'ERR14_bit7': 'P0024 — Camshaft Position B — Timing Over-Advanced (bank 2)',
// ERR15
'ERR15_bit0': 'P0087 — Fuel Rail/System Pressure Too Low',
'ERR15_bit1': 'P0088 — Fuel Rail/System Pressure Too High',
'ERR15_bit2': 'P0089 — Fuel Pressure Regulator Performance',
'ERR15_bit3': 'P0090 — Fuel Pressure Regulator Control Circuit',
'ERR15_bit4': 'P0091 — Fuel Pressure Regulator Control Circuit Low',
'ERR15_bit5': 'P0092 — Fuel Pressure Regulator Control Circuit High',
'ERR15_bit6': 'P0201 — Injector Circuit/Open Cylinder 1',
'ERR15_bit7': 'P0202 — Injector Circuit/Open Cylinder 2',
// ERR16
'ERR16_bit0': 'P0203 — Injector Circuit/Open Cylinder 3',
'ERR16_bit1': 'P0204 — Injector Circuit/Open Cylinder 4',
'ERR16_bit2': 'P0261 — Injector Circuit Low Cylinder 1',
'ERR16_bit3': 'P0264 — Injector Circuit Low Cylinder 2',
'ERR16_bit4': 'P0267 — Injector Circuit Low Cylinder 3',
'ERR16_bit5': 'P0270 — Injector Circuit Low Cylinder 4',
'ERR16_bit6': 'P0262 — Injector Circuit High Cylinder 1',
'ERR16_bit7': 'P0265 — Injector Circuit High Cylinder 2',
// ERR17
'ERR17_bit0': 'P0268 — Injector Circuit High Cylinder 3',
'ERR17_bit1': 'P0271 — Injector Circuit High Cylinder 4',
'ERR17_bit2': 'P0351 — Ignition Coil A Primary/Secondary Circuit',
'ERR17_bit3': 'P0352 — Ignition Coil B Primary/Secondary Circuit',
'ERR17_bit4': 'P0353 — Ignition Coil C Primary/Secondary Circuit',
'ERR17_bit5': 'P0354 — Ignition Coil D Primary/Secondary Circuit',
'ERR17_bit6': 'P0627 — Fuel Pump Control Circuit Open',
'ERR17_bit7': 'P0628 — Fuel Pump Control Circuit Low',
};
/// Returns a list of active DTC descriptions from the given raw error bytes
/// using the provided map.
List<String> decodeDtcs(List<int> errBytes, Map<String, String> dtcMap) {
final List<String> active = [];
for (int byteIdx = 0; byteIdx < errBytes.length; byteIdx++) {
final int b = errBytes[byteIdx];
if (b == 0) continue;
for (int bit = 0; bit < 8; bit++) {
if ((b >> bit) & 1 == 1) {
final String key = 'ERR${byteIdx.toString().padLeft(2, '0')}_bit$bit';
final String? desc = dtcMap[key];
if (desc != null) active.add(desc);
}
}
}
return active;
}
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